Mobile Network does not open in Settings - Huawei P9 Questions & Answers

Hi all,
I am on B378 which I got OTA.
settings, more, mobile network does not open anymore.
it worked after the update, but after sometimes enable/disable data roaming, the screen closed by itself and now it is not possible to enter this submenu anymore. when i tap on "mobile network" it briefly shows "no service" in the top left corner but the menu does not open. if I tap mobile network again, the whole settings menu will close. This is a pain as I cannot enable / disable data roaming anymore.
any idea?
other wired things I notice with this version is:
-if I disable bluetooth in the settings, it gets gray and it can´t be turned back on. but it works when I activate BT from the dropdown menu
-when the phone rings, it most times shows the name of the previous caller for 3-4 rings and then switches to the actual callers name

I have the same problem. My mobile connection drops frequently since a few days. In the past I was usually a problem with the Access Points, but I can't access the Mobile Network settings anymore. If I try to use the search I can't find the subsettings like "Carrier" or "Access point names".
I'd like to avoid to do an hard reset, also because I suspect I might happen again.

I have the same problem

mayankgpt92 said:
I have the same problem
Click to expand...
Click to collapse
In the end, I had to do a hard reset. Now it's working fine.

This is fixed in the soon to be released B383. I experienced it twice but most recently refused to do a hard reset AGAIN unless i absolutely needed to get into Mobile network settings (so was still crashing)
Just updated to B383 without hard reset and it's fixed.

it just hapened again
after a hardreset which caused lots of configurations to be redone as the backup does not correctly store all the details, settings and rights... it worked for almost 2 month, then, the phone crashed while editing a photo, the photo was gone and so were many settings, 12vs24h clock, screen brightness, screen rotation, battery level in % etc
all this could be reconfigured but the "network settings does not open" problem reappeared. this is really a pain, the phone was working without trouble all the time with Android6 but with 7, this is a nighmare.
Btw the hardreset killed my SD card, which was encrypted. some time after the hardreset, it suddenly asked for the sdcard password and it did not accept my password anymore!? The only possible fix was to use an new SD...I will never encrypt it again.
Were did you get this B383 version from Esist? my phone does not find this update yet?

echo during call
I've P9 with single sim,
the other person hears himself back, (echo) during phone call. On my end its fine.
its not network issue, as I have checked with two different network SIM cards.
any help ? :crying:

I had this on b391. Factory reset resolved.

For the mobile network problem, you don't need to factory reset actually. just change the language of the device and you can access the mobile network menu again (in another language ofcourse).

Omg..this actually works for me..I had problems first with access to wf after to setting and I realize I can turn it on from the dropdown menu ,at the end I was not able to do it even that way.I restarted phone,I opened settings,changed language-and,it works!thanks..

Wow, this was really bugging me and the temporary language switch to French worked . Thanks guys!

I have the same problem with my Honor 8 unable to access mobile data to enable data roaming. Changed the language to French then Spanish and was able to connect without problem, changed back to English and unable to access. Honor helpline ( were brilliant excellent communication prompt response to my messages) after suggesting a couple of fixes has now suggested a hard reset and revert to factory settings. Having read various threads I'm not convinced this will work. Honor must be aware of this problem and I would have thought offered a fix. I think it's a software glitch. I'll try the hard reset and keep you posted.

God bless you guys, had this silly issue while I was trying to get data abroad, and doing another hard-reset was a no-go.
I am NEVER EVER buying anything from Huawei again. Got a Honor 6x one year ago that has only worked nicely for the first month... then tons of issues (slowdowns, crashes, etc.).
Hardware is good, while the software sucks.

Thank you! thank you! 100 times! I switched to Russian - and finally got this hell menu!!! when I change back to the English - I again can't get it. But anyway - at least now I know how I can turn on the roaming!

This language change solution worked in Honor 6x too. Somehow my volte settings were disabled for jio and i couldn't make or receive calls. But changed language to Hindi and then the mobile network opened and i could change the setting. But why is this happening.

Related

Connection Problems. HELP!

Hi all,
I'm new to windows-base phone, there are two problems that I have with my TD2, and I don't seem to find the answers on the forum.
For some reasons, my TD2 has no problem of updating weather, but it cannot go online at all. I don't how to fix it. Recently, it pops up two windows constantly,
One says " Cannot Connect. Dialed: The answering modem has disconnected. To check your connection settings and change them if needed, tap Settings."
Second one says: "There is a problem connecting to the GPRS service in your registered home network."
I bought my phone in Hong Kong, and I just installed Hard-SPL to change the language back to English. Ever since I installed it, the phone keeps popping up those two windows. I have tried to re-installed it, it worked until yesterday. I also tried factory reset, it is still not working. I really don't what the problems are and how to fix them.
HELP, PLZ!!!!!!!
Thanks,
Avril
Just a thought: borrow a SIM on a different network from a friend and replace your SIM with it, and the phone should offer to import the new network settings.
Then put your SIM back and the phone should re-import your network settings again. It's just a stab in the dark really...
The other thought (which affects users in the UK on t-mobile) the phone imports a "proxy server" setting from the SIM which is wrong. You have to delete this in Settings/Connections before you can go online with Opera.
I tried your thought #1, but it didn't work. I don't live in UK. I'm USA, and using AT&T. Are there any other ways that I can do it?
Thanks,
Avril

Someimes My Nexus One won't send text messages or make phone calls unless I reboot :(

I have an unrooted ATT version of the nexus one. Randomly about 1 or 2 times a day while I am texting I will get a failed to send message and no matter how many times I try it just keeps failing. It won't allow me to send texts to anyone else either. however I continue to receive texts which is kinda odd.... the worst part is that always while this is happening I cannot make or receive phone calls this is very frustrating since I could be missing phone calls and wouldn't know it until I try and send an SMS or make a call. I have tried a lot of different things such as setting my bands to USA and setting my network preference to WCDMA Only but to no avail... I also tried a factory reset... also if I try and toggle airplane mode or turn off the radio it just crashes and I need to reboot.. if i try checking the SMSC while this is occurring but hitting the refresh button
I get refresh error and if I try and update it with the correct number I get update error... I really love my N1 and would really appreciate anyone who could shed some light on this issue
Re: My Nexus One won't send text messages or make phone calls unless I reboot
Could this be an AT&T network issue? I had similar symptoms with my HTC Hero (admittedly running EDGE) in certain parts of San Francisco earlier this year. It seemed to be the result of network congestion. Does this occur in a city or other urban area?
Sent from my Nexus One using the XDA mobile application powered by Tapatalk
I am actually not on AT&T I am on Rogers network in Canada. I am living in Toronto so the 3G coverage is really good and I`ve never had this kind of issue with my previous phone which was a BB9000 and none of my friends seem to have any of these problems
I also found ppl on some other nexus one forums describing the exact same problem which leads me to believe its not a network issue but I am still not 100% sure I tried calling Rogers and had them do a cancel location and it didn`t fix the issue either
I had this issue only this morning and I'm in the UK, I put the phone into Airplane mode and back again and then everything is fine.
I have this issue about once a day.
Running the newest Cyanogen with no other modifications. Radio is the most updated one available.
Flipping to Airplane mode and backed worked on my G1 if I had an issue similar to this but the Nexus doesn't respond to it.
I reboot atleast once a day to fix this. -- Not sure if it's the radio or Cyanogen.
Anyone else have some input?
EDIT: Should have included, I am on T-Mobile
This actually happened with me today, a text kept failed and didn't get pushed through until I reset the phone. I'm hoping this doesn't turn into a daily thing
next time this happens if it happens again could u guys try and make a phone call before resetting so we can see if our problems are identical?
Thanks
This sounds like a problem I have had for several months now on T-Mobile (I just bumped the thread under the "General" topic to see if there were any developments, as I've been away from the board for six weeks or so). The symptoms I have are that the signal strength icon in the status bar shows zero bars with an "x" and the home screen says "No service." When I attempt to power off, after a while the spinning arrow stops spinning, the trackball flashes once, and then the phone reboots (takes about 45 seconds to a minute after I initiate the power-down before the reboot starts).
jasrups said:
This actually happened with me today, a text kept failed and didn't get pushed through until I reset the phone. I'm hoping this doesn't turn into a daily thing
Click to expand...
Click to collapse
Same thing happened to me today. I'm on a stock unrooted AWS version of the N1.
hayden1987 said:
next time this happens if it happens again could u guys try and make a phone call before resetting so we can see if our problems are identical?
Thanks
Click to expand...
Click to collapse
I am unable to make phone calls, send texts, etc. until I reset. It has no impact on Wifi but kills the cell network completely.
wmm said:
This sounds like a problem I have had for several months now on T-Mobile (I just bumped the thread under the "General" topic to see if there were any developments, as I've been away from the board for six weeks or so). The symptoms I have are that the signal strength icon in the status bar shows zero bars with an "x" and the home screen says "No service." When I attempt to power off, after a while the spinning arrow stops spinning, the trackball flashes once, and then the phone reboots (takes about 45 seconds to a minute after I initiate the power-down before the reboot starts).
Click to expand...
Click to collapse
I also have a long delay after hitting restart when I get this issue. Maybe Ill try to get a logcat and see what it gets stuck on..
I'm getting RMA'ed, again, for the same issue plus not being able to register on the network after I get the x with four blank bars. I get either "error searching for networks" or "sim is invalid on this network". It's since fixed itself... somehow but i was without any phone service despite trying everything (calling tmobile for network outages, hard reset, reseating the sim card, other stuff) for about 3-4 hours twice now... and a few shorter time periods (1-3 minutes of those errors) before that.
Possible solutions.. which I've only done after it started working again but didn't cause anything bad to happen. So far have been without any of the previous issues, plus my original long standing issue of not being able to send texts, get any sort of data, or call (I call it the up arrow without a down arrow problem where the phone is trying to connect but doesn't receive anything back). These solutions were originally posted here:
http://www.google.com/support/forum/p/android/thread?tid=3f4ad5ffac46bf92&hl=en
http://www.google.com/support/forum/p/android/thread?tid=47dc569ca9667ba7&hl=en
They're also solutions I've come up with for my issue as well and seemed to have worked for a couple of others.
It's as follows:
*#*#4636#*#* and selecting phone information. Press the menu button and select the proper band. I'm guessing if you're in canada on rogers which uses the same band as AT&T US you'd select USA band. Anyway after selecting it should re register on the network.. close out of there. Turn off and turn on the phone and see how that goes. For people in other regions I have no idea what to properly select but it was posted on one of the threads on the google forums that it should be "automatic". Check with your provider and/or google tech support.
Another thing I've seen is again in the *#*#4636#*#* menu under phone information put in (THIS NUMBER IS ONLY VALID FOR TMOBILE USA) under SMSC 12063130004 and press update. Call your provider for your number. Restart the phone.
Less likely solutions (in order of descending likeliness to help you in your particular case):
Hard reset and/or verify the APN settings for your carrier. I've been told non factory default APN values for tmobile over the phone (google support) so I don't know if verifying them or asking for them will help or cause more issues but sometimes there's apps the mess with the APN values which could cause some of your issues. So while this has a high potential to help, it's easy to screw up. Hard resetting the phone will give you factory default values (I'm 99% certain but from what I remember). Changing them from non factory default isn't a terrible thing however call your provider rather than google tech support for the values.
Calling up and asking to add/verify the IMEI number to the network (i never did this until recently although it didn't fix my issue right when they added it anyway) and/or doing a network cancellation might help. Unlikely but if you' RMA'ed once they'll have the wrong one on file and could cause issues depending on the network.
Replacing the SIM card. Takes literally 30 seconds. They ask for account info at the store, they scan the new one.. and give it to you. You pop it in and go. If you have an older SIM card this DEFINITELY could be the issue. Its unlikely its defective but it's always worth ruling that out.
Let me know if any of these help.
blisk said:
I'm getting RMA'ed, again, for the same issue plus not being able to register on the network after I get the x with four blank bars. I get either "error searching for networks" or "sim is invalid on this network". It's since fixed itself... somehow but i was without any phone service despite trying everything (calling tmobile for network outages, hard reset, reseating the sim card, other stuff) for about 3-4 hours twice now... and a few shorter time periods (1-3 minutes of those errors) before that.
Possible solutions.. which I've only done after it started working again but didn't cause anything bad to happen. So far have been without any of the previous issues, plus my original long standing issue of not being able to send texts, get any sort of data, or call (I call it the up arrow without a down arrow problem where the phone is trying to connect but doesn't receive anything back). These solutions were originally posted here:
They're also solutions I've come up with for my issue as well and seemed to have worked for a couple of others.
It's as follows:
*#*#4636#*#* and selecting phone information. Press the menu button and select the proper band. I'm guessing if you're in canada on rogers which uses the same band as AT&T US you'd select USA band. Anyway after selecting it should re register on the network.. close out of there. Turn off and turn on the phone and see how that goes. For people in other regions I have no idea what to properly select but it was posted on one of the threads on the google forums that it should be "automatic". Check with your provider and/or google tech support.
Another thing I've seen is again in the *#*#4636#*#* menu under phone information put in (THIS NUMBER IS ONLY VALID FOR TMOBILE USA) under SMSC 12063130004 and press update. Call your provider for your number. Restart the phone.
Less likely solutions (in order of descending likeliness to help you in your particular case):
Hard reset and/or verify the APN settings for your carrier. I've been told non factory default APN values for tmobile over the phone (google support) so I don't know if verifying them or asking for them will help or cause more issues but sometimes there's apps the mess with the APN values which could cause some of your issues. So while this has a high potential to help, it's easy to screw up. Hard resetting the phone will give you factory default values (I'm 99% certain but from what I remember). Changing them from non factory default isn't a terrible thing however call your provider rather than google tech support for the values.
Calling up and asking to add/verify the IMEI number to the network (i never did this until recently although it didn't fix my issue right when they added it anyway) and/or doing a network cancellation might help. Unlikely but if you' RMA'ed once they'll have the wrong one on file and could cause issues depending on the network.
Replacing the SIM card. Takes literally 30 seconds. They ask for account info at the store, they scan the new one.. and give it to you. You pop it in and go. If you have an older SIM card this DEFINITELY could be the issue. Its unlikely its defective but it's always worth ruling that out.
Let me know if any of these help.
Click to expand...
Click to collapse
I`ve tried all the solutions u`ve mentioned except for swapping to a new SIM card... I guess it might just be my next step but I have my doubts
I get this kind of issue occasionally, under these specific conditions only:
1. I'm at work.
2. I bring my phone with me into an area with no signal (screen says no signal, and I have 4 blank bars with an X) for more than a couple of minutes (for me, it's the room with the coffee machine - which I use a lot - no provider gets signal there on any phone).
3. It doesn't always happen, just sometimes, but when I go back to my desk, it won't reconnect.
4. Going into and out of airplane mode fixes it every time. However, with the latest CM and Ivan's Diet kernels, going into and out of airplane mode causes an immediate reboot when I try to come out of it, and only when I'm NOT connected by USB and when I AM coming from "dead" service, making logging the problem, well, problematic. Using other kernels (even OC'd kernels) does not seem to cause this airplane mode problem.
Only had this happen once trying to send a plain old SMS. I restarted the phone and no problem. I didn't think of trying to make cell calls, but if it happens again, I'll try that.
I too have had this issue with SMS. My browser works though when the SMS problem occurs. Haven't tried a phone call. I am on T-Mobile USA.
Are any of you using task-killers that may somehow be interrupting an important background service?
I have the same exact thing happen and I am on T-mobile US. I was hoping that I wasn't the only one but it seems to happen on all of my phones so I have just chalked it up to network congestion. Unless someone has an actual answer.
I have this issue about once a day.
Running the newest Cyanogen with no other modifications. Radio is the most updated one available.
Flipping to Airplane mode and backed worked on my G1 if I had an issue similar to this but the Nexus doesn't respond to it.
I reboot atleast once a day to fix this. -- Not sure if it's the radio or Cyanogen.
Anyone else have some input?
EDIT: Should have included, I am on T-Mobile
Click to expand...
Click to collapse
Sent from my Nexus One using the XDA mobile application powered by Tapatalk
Have any of you edited your build.prop yet?
This helps with the switch from Edge -> 3G -> H.
I wonder if it would fix this issue.
I don't have the issue so I am unable to test myself.
This link may help. Its at least something to try.
http://forum.cyanogenmod.com/index.php?/topic/1721-3g-connectivity-issue-fix/
This link my help too.
http://forum.xda-developers.com/showthread.php?t=659102
Re:
same thing with me im going to check out those steps your provided.
Sent from my Nexus One using the XDA mobile application powered by Tapatalk
azalex86 said:
Are any of you using task-killers that may somehow be interrupting an important background service?
Click to expand...
Click to collapse
I am using Advanced Task Killer Free, but I'm pretty sure I added important background services to the ignore list so they shouldn't be killed.
Just to double check, what background tasks shouldn't be killed?

Nexus one not reconnecting to mobile network

My N1 will not reconnect to a mobile network if it has been sitting for a few hours in a no-coverage area, such as a building. I cannot get it to reconnect, even after refreshing the network search. This action only leaves me with no result or a message saying that there was an error in searching or connecting to mobile networks. The only solution is to restart the phone. Every time I try to turn the phone off after this error has occurred, the shutdown sequence hangs until either I become frustrated and do a battery pull, or it automatically restarts and do a battery pull, or it automatically restarts itself. Furthermore, the phone used to give me an error notification saying that the phone does not have carrier service. Now, it does not. Furthermore, the phone used to give me an error notification saying that the phone does not.
I tried uninstalling all my programs and nothing has worked for me. I've also tried toggling the airplane mode to no avail.
I'm considering putting on the cyanogen ROM to see if it would fix this error, but I am hesitant to void my warranty. It's a pretty serious problem as I'm very frequently in a building where I don't get service. It's quite frustrating to have to wait to reconnect to a mobile network once I leave the building and hope that the error didn't occur or have to do a battery pull every time I realize that the phone simply won't reconnect.
Can anyone suggest any solutions?
Mod it. What have you got to lose? Your overall performance will increase. The radio signal may even improve. Your call.
jacka$$1 said:
Mod it. What have you got to lose? Your overall performance will increase. The radio signal may even improve. Your call.
Click to expand...
Click to collapse
thanks for the tip. i've been thinking about it. it's the warranty i don't want to lose. eh i'll keep thinking about it.
this phone sucks. it's glitchy, can be sluggish. iphone got dumbed down but at least its functions work.
meh
Hey!
You dont want to lose your warranty, then use it!
Your phone seems to be faulty...
My phone is experiencing the same problem as of yesterday. Won't connect. Wonder if it's a T-Mobile issue.
laughter95 said:
thanks for the tip. i've been thinking about it. it's the warranty i don't want to lose. eh i'll keep thinking about it.
this phone sucks. it's glitchy, can be sluggish. iphone got dumbed down but at least its functions work.
meh
Click to expand...
Click to collapse
Its only glitchy coz you have stock rom
Cyanogen is really stable and adds alot of features / functionality.
Fair enough you dont want to lose warranty but i remember in the general thread that lots of hardware failures and others can still fix your n1 under warranty even though they unlocked the bootloader.
I too have this problem, hopefully the 2.2 update will fix the problems.
Can you guys confirm if its android or your service provider thats causing this...
laughter95 said:
My N1 will not reconnect to a mobile network if it has been sitting for a few hours in a no-coverage area, such as a building. I cannot get it to reconnect, even after refreshing the network search. This action only leaves me with no result or a message saying that there was an error in searching or connecting to mobile networks. The only solution is to restart the phone. Every time I try to turn the phone off after this error has occurred, the shutdown sequence hangs until either I become frustrated and do a battery pull, or it automatically restarts and do a battery pull, or it automatically restarts itself. Furthermore, the phone used to give me an error notification saying that the phone does not have carrier service. Now, it does not. Furthermore, the phone used to give me an error notification saying that the phone does not.
I tried uninstalling all my programs and nothing has worked for me. I've also tried toggling the airplane mode to no avail.
I'm considering putting on the cyanogen ROM to see if it would fix this error, but I am hesitant to void my warranty. It's a pretty serious problem as I'm very frequently in a building where I don't get service. It's quite frustrating to have to wait to reconnect to a mobile network once I leave the building and hope that the error didn't occur or have to do a battery pull every time I realize that the phone simply won't reconnect.
Can anyone suggest any solutions?
Click to expand...
Click to collapse
I have the same problem and it's starting to bother me a lot because my car is parked in a garage with no coverage. My in-car BT then becomes useless as my phone won't reconnect to the network once I exit the garage
I just called Google support 10 mins ago about this and they went through normal protocol to reset to factory settings. They then called Tmo and let them know what the issue was while I was still on the phone. Tmo unregistered my phone from the network while my battery was taken out of my phone and then reregistered my phone to the network. Tmo asked me to monitor this for a few days and call them directly (not Google) if the issue persists. They will then elevate this to a higher level because they feel this would be a network problem, and not a hardware issue.
Hope this helps! Please post what you have tried to solve the problem!
rensky said:
I have the same problem and it's starting to bother me a lot because my car is parked in a garage with no coverage. My in-car BT then becomes useless as my phone won't reconnect to the network once I exit the garage
I just called Google support 10 mins ago about this and they went through normal protocol to reset to factory settings. They then called Tmo and let them know what the issue was while I was still on the phone. Tmo unregistered my phone from the network while my battery was taken out of my phone and then reregistered my phone to the network. Tmo asked me to monitor this for a few days and call them directly (not Google) if the issue persists. They will then elevate this to a higher level because they feel this would be a network problem, and not a hardware issue.
Hope this helps! Please post what you have tried to solve the problem!
Click to expand...
Click to collapse
^ it worked! my phone reconnects to the cellular network after what Google/Tmo did for me on the phone!
I haven't tried calling tmobile, but it is NOT something that will be fixed by hopping on cyanogen's rom. I've been rooted on cyanogen's rom for quite some time and this problem still exists on my n1 which is SUPER annoying. I will try calling tmobile to see if they can fix it on their side, but rooting is not the fix here.
I had the same issue. I used anycut and phone info shortcut and changed the wireless default setting to us and it totally fixed the problem. Have not had that issue again.
-------------------------------------
Sent via the XDA Tapatalk App
I resolved this by going to the T-Mobile store where they replaced my SIM card. They made a copy to a new SIM card, installed it and everything works fine.
For the record symptoms included:
* "Error while searching for network" message
* Found networks but said "your SIM card is not authorized for this network" when connecting
* Network listed as "No service" or "Emergency calls only | T-Mobile"
I get this too with an at&t phone.
Have asked for a replacement device from HTC (since the reception is crappy to begin with).
I also have audio quality problems when reception is only 1-2 bars.
Will see if the new phone is better.
I had this problem regularly. It hasn't happened once since I upgraded to Froyo, so I think it has been fixed in that release.
sometimes have this too, i fix it by going to the settings > wireless > mobile networks > APN. at first i deleted and retyped my password in the selected APN, now i just click my network in the APN settings, don't change anything and leave. It immediately reconnects after that.
edit: and i have stock froyo & live in belgium.
I got a new, replacement phone from HTC today.
This new phone has a BIG PROBLEM with this issue.
Even if I am only without reception for a couple of seconds (go through the garage, etc.) it will not connect to any network until I reboot.
My old phone would only experience this problem maybe 25-35% of the time.
Very, very annoying!!!
wildfyr said:
I resolved this by going to the T-Mobile store where they replaced my SIM card. They made a copy to a new SIM card, installed it and everything works fine.
For the record symptoms included:
* "Error while searching for network" message
* Found networks but said "your SIM card is not authorized for this network" when connecting
* Network listed as "No service" or "Emergency calls only | T-Mobile"
Click to expand...
Click to collapse
I had similar issues and called tmobile support. I was first linked to Google support. They went through the similar process as described by in the first page. (#*#*4636*#*# select USA band etc). While I was on hold, they called t mobile tech support and had them reset network connection and tried to get me onto a different tower etc.
Tmobile support stated that my sim card (had for about 2 years) was the cause of the issue as they can't handle smartphones as well as their new sim cards. They also said the new sim should improve reception and connection stability (Don't see how a new sim could do this but what do I know?). Moreover, they noted my account and told me to go into the nearest store for a new sim card. Went into the nearest tmobile store told them the issue, they pulled up my account and gave me a new sim. Took less then 5 minutes and I have not had the issue with staying connected to the tmobile network.
I will update this after a few days to see if I still have the issue.
I have the same problems that i cannot connect to network here in germany. first i think it was my sim card, but befor i had another provider (E-Plus) where i had the same problems with reconnecting to network. and one day my eplus sim card is broken so i had to buy a new one by t-mobile. i have tried a lot of roms from here (cyanogen/ 5.0.7 /5.0.8T5 Kangorama rodriquezstyle and leofroyo) everyone seems to have the same problems with reconnecting to network. i hope im not alone with my problems and someone can help.
hmm...
Count me as another. I just upgraded to froyo and it went beserk. Had no service for a while. It would only come on after constantly tapping "select network automatically" until it kicked me out of the menu. It started getting better but kept kicking me out of 3g. I set it to stay always on 3g and it seems to be better... still I'm going to call tmobile and see if I can get a new sim as well.
Thanks for the info guys!

Data capability lost after signal loss

Every day I travel on the London Underground and obviously lose 4G signal when I am below ground.
Since the last update a week ago to 10.2.26.0, when I come back into a 4G area I cannot use any data services without either rebooting the phone or toggling Mobile data on and off, which is very frustrating.
The bars will show full 4G but no data will flow on any app until I do this.
Has anyone else experienced this?
Same on mine...
Yes same issue here
I had this happen to me earlier and it turned out that the access point settings had been altered at update from one firmware to the next. The system tries to install some generic APN-settings based on my operator’s name as my operator has no automatic way of installing them the usual way on this phone as it does on the more commonly used brands.
Check with your operator what the settings should look like and enter them under the access point settings for the sim-card if the current ones look off. Just an idea because I had the same problem going back to 4G from Wi-Fi. Reboot or airplane mode was the only thing to fix it for me. To be more exact it was the address for the setting “APN” that was wrong for me. The system had put an address that wasn´t a valid IP-address. Obviously, Xiaomi had tried to guess the address based on my operator name but got it wrong. As soon as I got the right setting in place all problems were gone.
This problem got worse as I had activated LTE voice calls. Before that it only happened occasionally, but with LTE-voice calls activated it happened every time I went from Wi-Fi to 4G.
gerhard_wa said:
I had this happen to me earlier and it turned out that the access point settings had been altered at update from one firmware to the next. The system tries to install some generic APN-settings based on my operator’s name as my operator has no automatic way of installing them the usual way on this phone as it does on the more commonly used brands.
Check with your operator what the settings should look like and enter them under the access point settings for the sim-card if the current ones look off. Just an idea because I had the same problem going back to 4G from Wi-Fi. Reboot or airplane mode was the only thing to fix it for me. To be more exact it was the address for the setting “APN” that was wrong for me. The system had put an address that wasn´t a valid IP-address. Obviously, Xiaomi had tried to guess the address based on my operator name but got it wrong. As soon as I got the right setting in place all problems were gone.
This problem got worse as I had activated LTE voice calls. Before that it only happened occasionally, but with LTE-voice calls activated it happened every time I went from Wi-Fi to 4G.
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Mine is unchanged from update, and it's as indicated on my operator site
meti84 said:
Mine is unchanged from update, and it's as indicated on my operator site
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Click to collapse
So do you have:
wap.tim.it
or:
ibox.tim.it
gerhard_wa said:
So do you have:
wap.tim.it
or:
ibox.tim.it
Click to expand...
Click to collapse
Well, I didn't update my profile in a while, I have fastweb now... BTW I have apn.fastweb.it
meti84 said:
Well, I didn't update my profile in a while, I have fastweb now... BTW I have apn.fastweb.it
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Click to collapse
When I ping that address it comes up as invalid. You should see if there are alternatives.
gerhard_wa said:
When I ping that address it comes up as invalid. You should see if there are alternatives.
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Click to collapse
https://www.fastweb.it/myfastweb/as...ne-configura-internet-su-smartphone-o-tablet/
It's in Italian, but as you can see it's the official Fastweb guide
gerhard_wa said:
I had this happen to me earlier and it turned out that the access point settings had been altered at update from one firmware to the next.
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Click to collapse
Doesn't seem to be the issue. I am on EE here in the UK and the APN is correct. Can't see how toggling data off and on would resolve this if the APN was wrong anyway?
meti84 said:
https://www.fastweb.it/myfastweb/as...ne-configura-internet-su-smartphone-o-tablet/
It's in Italian, but as you can see it's the official Fastweb guide
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Click to collapse
I can see that but still, do a trace route for apn.fastweb.it and it can´t solve that address so there is something wrong with it. Anyway hope you will find the culprit of your problem!
I almost have the same problem .. after a phone call 4g disappears .. After the talk 4g comes back but the data connection does not work anymore .. Data off and switching on is the solution. I have send my phone back to the retailer i hope dee can fix the probleem.
I have the same issue.......latest Global Beta......switching data off and on for now....and hoping that fix is coming as it is annoying...
Okay so this is found to be experienced by others - how do we bring this to Xiaomi attention? Right now a phone that just randomly chooses to lose data capability is useless, as I lose notifications, messages, home automation activity prompts, Ring doorbell alerts, Nest smoke alarm alerts - pretty much renders the phone useless if I am not connected to WiFi, and the worst is not knowing it's stopped working till I try something.
One thing you could do if you have activated VoLTE is to deactivate VoLTE. If this makes a difference it sugests that something is wrong in your local configuration. Otherwise you may have to take it back to the seller.
Same problem here in Germany with o2.
I just found this solution to slightly another but very similar problem and I'm testing it right now.
Go to the APN settings (Settings -> SIM card Settings) and better do a reset to default (not necessary). Choose the o2 option and in a field called MVNO type select IMSI. You should be fine.
Will report back if this worked.
gerhard_wa said:
One thing you could do if you have activated VoLTE is to deactivate VoLTE. If this makes a difference it sugests that something is wrong in your local configuration. Otherwise you may have to take it back to the seller.
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Click to collapse
VoLTE is not enabled on my device, but this doesn't sound likely anyway - I have had the phone since the first week it was available in Europe - over 3 months - but the data stopping working only happened with a recent update. Anyway, this thread and other forums suggest this is a wider issue - can't see that sending it back to the retailer will achieve much as the replacement will likely do the same!
cool400 said:
Same problem here in Germany with o2.
I just found this solution to slightly another but very similar problem and I'm testing it right now.
Go to the APN settings (Settings -> SIM card Settings) and better do a reset to default (not necessary). Choose the o2 option and in a field called MVNO type select IMSI. You should be fine.
Will report back if this worked.
Click to expand...
Click to collapse
The APN settings are all greyed out on EE - I can read them but I can't edit them?
Any news here? I'm still stuck with this annoying problem.
I'm on MIUI 10.2. 9.0 Global and no updates available.
Just came here to say I have he same problem. Not really too annoying as all it takes is toggling airplane mode off then back on after a couple of seconds. But sometimes I don't even know the problem has surfaced and I end up missing notifications.
It happens sometimes even after I enter an elevator then leave.

Wifi+ after Android 10

I recently updated to Android 10 on my P30 Pro. Since the update, my mobile data does not switch on after leaving wifi. When I leave a known wifi and try to access the internet, I get a notice I'm offline. I can still receive calls and texts.
I have wiped my cache, reset network settings, and even factory reset. Everything worked fine before update. It works if I restart my phone but that's a hassle every time I need Internet. I have asked in several forums, including Huawei.
Anyone else have this issue? I have 10.0.0.173 software version on VOG-L29 (C185).
hatgirl223 said:
I recently updated to Android 10 on my P30 Pro. Since the update, my mobile data does not switch on after leaving wifi. When I leave a known wifi and try to access the internet, I get a notice I'm offline. I can still receive calls and texts.
I have wiped my cache, reset network settings, and even factory reset. Everything worked fine before update. It works if I restart my phone but that's a hassle every time I need Internet. I have asked in several forums, including Huawei.
Anyone else have this issue? I have 10.0.0.173 software version on VOG-L29 (C185).
Click to expand...
Click to collapse
Not sure if related, but I have read a few people saying they had issues with mobile data since updating to 10, and one solution was in the APN settings, the password box was empty rather than showing *********
Don't remember how it was fixed, but possibly look up your carriers APN settings password and enter it into that field
Thanks, I will give it a try.
I reset the APN and removed the prefilled "none" from some settings and every thing is good now. Thanks because I really did not want to rollback.
hatgirl223 said:
I reset the APN and removed the prefilled "none" from some settings and every thing is good now. Thanks because I really did not want to rollback.
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Click to collapse
Great

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