AT&T Internet Settings for T-mobile Sony Xperia Z3 - Xperia Z4/Z3+ Q&A, Help & Troubleshooting

Hello everyone,
I have a T-mobile Z3 that is currently unlocked to work for my AT&T provider. I am able to make calls and send regular text messages with no problems. My problem is that I am only able to access the Internet via WiFi only and not 4G or even 3G. I am usually always around WiFi but for times when I am in need to use the mobile web, I am unable to. What are the proper settings for this? I understand that the T-mobile version does not share the same LTE band as AT&T so that's ok with me but 4G or 3G is ok with me. I have tried to APN settings provided by AT&T but it does not work. I am leaving on a trip in a few days and would like to have this working before I leave. I am sure someone out there has the answers I seek. I hope that I have posted this in the correct forum. If not, please feel free to move it as it might help me to get my question answered. Thanks again for your help everyone!

After doing more further research, I found the settings that work for my phone. I was just about to sell this phone and get a Note 4. Not anymore now that I got this to work. Thanks again everyone!

heydatsmyrice said:
After doing more further research, I found the settings that work for my phone. I was just about to sell this phone and get a Note 4. Not anymore now that I got this to work. Thanks again everyone!
Click to expand...
Click to collapse
How did you get this to work? Help?

The phone was only on a temporary unlock and I am unable to use it for cellular service anymore but I went to this website to get all the settings to make it work for AT&T.
apn-settings.com/us/att-apn-settings/
Hope this helps.

Related

any available modem/radio file for AWS network??

HI guys!!!!!!!1
i have a T-mobile galaxy tab unlocked, rooted, and flashed to EURO firmware with stock t-mobile modem. I have set the APN correctly.
PAD: P1000XXJK5
PHONE: T849UVJJB
CSC: P1000OXAJK5
my current provider is Mobilicity which uses AWS(1700/2100) network. I should be able to use phone call, 3G internet and text since both t-mobile and mobilicity are using same network. but i am only able use 3G internet, and text message meaning that phone call doesn't work at all. the two features are working perfectly though.
If i try to make call, the phone/dial app just close itself. nothing happens~ i can't receive the call either
so i am looking for a modem/radio file that is compatible with mobilicity and WIND mobile~
help me out guys
Not possible with the t-mobile tab.
No but this makes it a certainty that the problem is within the modem. It isn't anything that TMO is doing server side.
help me
any one else has an idea?? thank for replies though
no, you don't get it man. NOBOdY is able to use 3g and phone with a tmo tab in the states. there are threads and threads devoted to this. there is even a bounty thread where someone will get paid over $600 for figuring this out so unfortunatey this is not a "any other ideas?" type situation.
edit :: I forgot about our beloved bulldeeberman or whatev the **** his name was. he claimed to have the secret but pretty sure he was full of ****e the whole time.
scottprotege said:
no, you don't get it man. NOBOdY is able to use 3g and phone with a tmo tab in the states. there are threads and threads devoted to this. there is even a bounty thread where someone will get paid over $600 for figuring this out so unfortunatey this is not a "any other ideas?" type situation.
edit :: I forgot about our beloved bulldeeberman or whatev the **** his name was. he claimed to have the secret but pretty sure he was full of ****e the whole time.
Click to expand...
Click to collapse
i heard that you can switch between 3G and phone but i think the phone is only for GSM voice netword which is NOT supported by tmo tab. Can you switch b/w AWS 3G and AWS phone? Where is the files then?
no switching between aws data and aws phone. its only aws data or gsm phone/data.
djak420 said:
i heard that you can switch between 3G and phone but i think the phone is only for GSM voice netword which is NOT supported by tmo tab. Can you switch b/w AWS 3G and AWS phone? Where is the files then?
Click to expand...
Click to collapse
Sir, did you read any of the threads in the forums? Or any of the previous posts?
You really need to take an hour of reading and study to get up to speed here. No offense intended - just giving you advise. Come back here when you did that and I will work with you to get voice or data and the switch setup. See you later!
rangercaptain said:
Sir, did you read any of the threads in the forums? Or any of the previous posts?
You really need to take an hour of reading and study to get up to speed here. No offense intended - just giving you advise. Come back here when you did that and I will work with you to get voice or data and the switch setup. See you later!
Click to expand...
Click to collapse
i know what you mean. i did as much as i could. but there are thousand of posts regarding this issue. i read many of them but it is just confusing me much more. i just wanted to make sure.
Ok, you have a t-mobile tab. You have the stock t-mobile tab modem, which cannot make phone calls, only internet, email, and text.
Do you get a redirect to a t-mobile website?
Do you want to make voice calls from your tab?
Did you do the unlock and rom flashing?
rangercaptain said:
Ok, you have a t-mobile tab. You have the stock t-mobile tab modem, which cannot make phone calls, only internet, email, and text.
Do you get a redirect to a t-mobile website?
Do you want to make voice calls from your tab?
Did you do the unlock and rom flashing?
Click to expand...
Click to collapse
first i rooted
i flashed to euro rom.
i use stock tmo modem
i tried to make call but the phone app just closes itself once i press 'call'.
text works perfectly
3g data works perfectly
only issue is the phone.
i need a modem that supports both AWS 3G and AWS voice but it doesn't exist according to others.
so should i give up?
You can have both with the Roto modem switcher. He includes a voice+2g modern and a 3g modem, ands instructions to set up a switch. It's in the general section. That'd my set up for t-mobile too.
rangercaptain said:
Ok, you have a t-mobile tab. You have the stock t-mobile tab modem, which cannot make phone calls, only internet, email, and text.
Do you get a redirect to a t-mobile website?
Do you want to make voice calls from your tab?
Did you do the unlock and rom flashing?
Click to expand...
Click to collapse
Hey Ranger
I have the redirect problem. I just bought a Tab last week with the eurorom already installed. I just want to clear it out I have no use for the phone dialer. How can I get the original ROM back on so I can get the data to work?
Solo118 said:
Hey Ranger
I have the redirect problem. I just bought a Tab last week with the eurorom already installed. I just want to clear it out I have no use for the phone dialer. How can I get the original ROM back on so I can get the data to work?
Click to expand...
Click to collapse
To get the stock rom, look back a ways in the development threads, for the stock t-mobile rom, and all the steps to install it. You will have to use odin3 and a pc to do the process. Rotohammer is the developer, and I've had to do that before.
When you are back to stock, PM me for the redirect solution. You don't have to go back to stock to avoid the redirect!
rangercaptain said:
You can have both with the Roto modem switcher. He includes a voice+2g modern and a 3g modem, ands instructions to set up a switch. It's in the general section. That'd my set up for t-mobile too.
Click to expand...
Click to collapse
I also have a T-Mobile tab, unlocked with overcome 2.0.0 and using it with mobilicity.
I had txt and data working and no phone capability,
after installing the roto modem, nothing works...
How do I reinstall the T-Mobile modem?
Is there no way to have it all?!
Im also in the same situation with the 2 fellow mobilicity user and its been a month now, still looking for answers.
I guess the 2 gave up already and just sold their tmobile galaxy tabs
polish_express said:
I also have a T-Mobile tab, unlocked with overcome 2.0.0 and using it with mobilicity.
I had txt and data working and no phone capability,
after installing the roto modem, nothing works...
How do I reinstall the T-Mobile modem?
Is there no way to have it all?!
Click to expand...
Click to collapse
You can have both, but you need to switch between both using an app. Have you seen the rotohammer modem switcher thread?
US Tmobile Galaxy Tab on Wind mobile (Canada)
What I have:
* a T mobile Galaxy Tab from USA (SGH-T849)
* a SIM card for Wind mobile in Canada (phone and data plan) - AWS 1700/2100
What I've done:
* Rooted with Superoneclick
* Flashed Euro with Odin: P1_20100909.pit + JHA.tar, Roto-JMA.tar
* Unlocked carrier
At this point:
* Can't phone, text, or use internet
* Search only finds Wind Away but cannot connect to it ("Sim card doesn't allow a connection to this network"). Phone call ends as soon as you hit send ("Cannot connect to network").
* Randomly it will have an R over the signal bar strength and tab will attempt the call, but eventually times out without ringing. R is pretty flaky
** Only once! I was able to dial out and have the other phone ring. Called back right away from other phone and Tab rang.
Installed Gscript Lite to use Tmobile modem switch:
* "switch to phone/2G"
- Can't phone, text, or use internet (much like above)
- baseband T959TLJL3_ROTO-2G
* "switch to 3G only"
- Text and internet works (phone doesn't work) as expected
- baseband T849UVJJB_ROTO-3G
I would like to know:
1a) Is it even possible to get the phone working on Wind mobile? It is more important to me to get the phone working than the internet (of course, its always the one you can't get )
1b) I assumed that since it uses the same AWS as Tmobile, that I should get the Tmobile Galaxy Tab. Is there another version of the Galaxy Tab that I should have gotten that would work (better)?
2) Is there a better modem to be using for the 2G part of Rotohammer's switch? If so, which one, and is it on the stickied modem list? (If not then please provide a link to download)
3) If it is not a modem issue, is there a better method altogether to get the phone working on Wind mobile? If so, how would I go about doing so?
Any input, links, downloads, and ideas would be great.

Droid 3 In Australia

Hey, I'm in Australia (GSM) and I purchased a Motorola Droid 3 (XT862) from America a few months ago.
Should I have bought the XT860 (GSM version)?
I was with Optus but because they don't support the 850mhz network I switched to Vodafone because they had it. So now I atleast have data working on my phone after those months of not having it, but vodafone sucks, especially on this phone (text messages sometimes don't send/signal cuts out all the time) but the 3G is very good.
The phone I previously had before the Droid 3 was a HTC Tmobile G2 which I had also bought from America, and everything worked perfectly.
If I buy the XT860 will it fix everything?
On the Motorola website it says the XT862 and XT860 have the same networks... but the XT680 is supposed to be used on GSM, so would it work fine?
Sorry if I confused anyone, I'm really baked.
Thanks in advance for anyone trying to help
Maybe you could try the T-MOBILE AT&T hack?
Sent from my XT862 using XDA
i have XT 862, on GSM and it works perfectly. More than that, I use also vodafone
The xt860 (and xt883) would not be any better; all they (along with the xt862) support UTMS 850/1900/2100mHz. Thus, you probably didn't get a lot of 3G on the Optus network (which uses 900/2100mHz). The main Vodafone 3G network in Aus is 900/2100mHz, but they are in the process of rolling out an 850mHz network.
Telstra Next-G uses 850mHz (and they have 2100mHz as well, but only in cities I believe)
Anyway, in brief: If you're willing to switch to Telstra, you should get great results. If not, Vodafone is the next best option.
I have xt862 on optus in Austraia. I just stay in global mode. I did experiment around with some of the custom roms but found weirdnesses like my calls not coming thru. I went back to stock and now im going to stay on stock until cm9 reaches release. Im not having any issues on stock.
Hope this helps
Sent from my DROID3 using xda premium
MrObvious said:
Maybe you could try the T-MOBILE AT&T hack?
Sent from my XT862 using XDA
Click to expand...
Click to collapse
Just did it, I suppose it improved the situation a tiny bit, but i'm not sure.
I will do some tests on the Telstra network, see if it's better than Vodafone.
Im using the phone in Global mode atm and I'm getting a decent 3-4 bars instead of the 1 or 2 i'd normally get which excites me
And the network type is displaying HSPA.
But I cannot send text messages, everytime, it just says "Text message not sent" which is very annoying. Anyone know anything about this? When I swapped over to Vodafone from Optus I could send texts but after a point it just stopped working...
Anyone know anything about this?
thanks
So does the droid 3 bought from usa connect to data services with optus at all?
How fast is data transfer in "global" mode?
late reply i know, but I'm on TPG [Optus network] in Qld, Aus with the droid 3 XT862.
from memory, all i've done is done the 'hack' to show actual reception, rather than 1 bar. I run the phone on the global setting.
I just ran a speedtest.net check, got an internode server in Sydney. ping 139ms, DL 5241kbps, UL 1202kbps.
OP, when you were with Optus, did you go through your account settings and make sure you had 3G data turned on for your phone, etc? I'm not trying to patronise or anything, but it always helps to start with the basics when fault finding.
Regards,
Hi All,
Im also in Australia, with Vodafone, and am looking at getting myself a Droid 3 as well.
Since the phones aren't released here, what happens about software updates? Im assuming they won't happen via OTA?
Im leaning towards the XT860, rather than the XT862, any particular reason to go for either?
Thanks,
cevad
cevad said:
Hi All,
Im also in Australia, with Vodafone, and am looking at getting myself a Droid 3 as well.
Since the phones aren't released here, what happens about software updates? Im assuming they won't happen via OTA?
Im leaning towards the XT860, rather than the XT862, any particular reason to go for either?
Thanks,
cevad
Click to expand...
Click to collapse
No difference between them but the xt860 has more dedicated roms here. Both are the same phone and just build.prop edits are needed to get the phones up and running in 5 mins. OTA updates will still work anywhere tho if you root and mod your phone don't use use the OTA feature as you will screw your phone.
All you need to do select wcdma/gsm mode and manually put in your service provider APNs to get 3G. Find this on the Voda site.
Best place to find your APN is here:
http://ausdroid.net/apns/
Sent from my LT26i using xda premium
somemadcaaant said:
All you need to do select wcdma/gsm mode and manually put in your service provider APNs to get 3G. Find this on the Voda site.
Click to expand...
Click to collapse
I managed to get a xt862, but I cant get data working on optus? (live connected)
calls/text works - tried global mode, tried GSM/UMTS mode, tried manually selecting optus 3g network, made sure the data setting was enabled which is actually under "battery & data manager". Already manually input the optus apn.
what am I missing?
Do you have to do the tmobile at&t hack? running everything stock from factory; or will rooting the phone/install ics help?
I have the one bar reception bug which I read on another thread if that makes a difference.
nvm, got it to work, for some reason manually inputting an APN didnt work, had to find the optus site and send it via sms.
Speed isnt too bad.
The next problem now though is wireless hotspot. It connects but no data goes through for some reason
jjabrams said:
The next problem now though is wireless hotspot. It connects but no data goes through for some reason
Click to expand...
Click to collapse
If the xt862 is the verizon version, I have read that verizon have blocked the hotspot stuff from working.

[Q] Please help! Sprint One sim unlock, Always No service and won't auto reconnect

For the last weeks.. I have been trying to get this phone working with T-Mobile..I had unlock the sim card and now running badboyz 4.3 rom. 1.3
After unlocking the sim card and setting up the apn, selected T-Mobile from the available networks and it will connect. But when I go to work, I will lose signal every few block, and need to search for available network again and wait to select t mobile again.
I had try to use the t mobile sim card on my old phone and everything will works fine with no signal lost.
Can anyone please HELP!... I been searching and looking for an answer for more than 2 weeks..but no resolve.....
Thanks
Sim Unlock
lazybozz said:
For the last weeks.. I have been trying to get this phone working with T-Mobile..I had unlock the sim card and now running badboyz 4.3 rom. 1.3
After unlocking the sim card and setting up the apn, selected T-Mobile from the available networks and it will connect. But when I go to work, I will lose signal every few block, and need to search for available network again and wait to select t mobile again.
I had try to use the t mobile sim card on my old phone and everything will works fine with no signal lost.
Can anyone please HELP!... I been searching and looking for an answer for more than 2 weeks..but no resolve.....
Thanks
Click to expand...
Click to collapse
How did you get the SIM unlocked in the first place?
lazybozz said:
For the last weeks.. I have been trying to get this phone working with T-Mobile..I had unlock the sim card and now running badboyz 4.3 rom. 1.3
After unlocking the sim card and setting up the apn, selected T-Mobile from the available networks and it will connect. But when I go to work, I will lose signal every few block, and need to search for available network again and wait to select t mobile again.
I had try to use the t mobile sim card on my old phone and everything will works fine with no signal lost.
Can anyone please HELP!... I been searching and looking for an answer for more than 2 weeks..but no resolve.....
Thanks
Click to expand...
Click to collapse
This is probably because T-mob covers only particular places the frequencies this phone uses http://theunlockr.com/2013/07/05/htc-one-sprint-specs/ vs t-mob https://t-mobile.jive-mobile.com/#jive-document?content=/api/core/v2/documents/4988
Sent from my HTCONE using Tapatalk
Is there any solution for this problem ?
Is there anything I can do to fix this problem ? (different rom or radio...etc..) Or I have to give up the phone... Cause it is too much headache to "searching for network" all the time and miss all the call with no service on the phone without knowing..
Thanks
lazybozz said:
Is there anything I can do to fix this problem ? (different rom or radio...etc..) Or I have to give up the phone... Cause it is too much headache to "searching for network" all the time and miss all the call with no service on the phone without knowing..
Thanks
Click to expand...
Click to collapse
well, I am not an expert on the tmobiles network, but going by what lazybozz, said, I seem to remember tmobile using different bands than the other carriers, so what you may be experiencing, is the phone being in the vicinity of multiple towers, but not all of them are within the band that the phone supports. So its like the phone doesnt even see those towers. On a side note, this issue caused alot of chaos for those who unlocked iphones about 3 years ago, they could use EDGE on tmobiles network but not 3G, so i assume this is a similar situation. So long story short, yeah you probably cant fix the problem, unless you get a quad band phone. I could be wrong, but it does sound like a logical reason for the issue you are having.
as elvisypi said above, Its the freq that T-mobile operates on in that area. If your getting T-mobile at all in the states then you have already flashed a radio. However flashing any other radio is not going to give you the freq that tmobile uses, Its not a software limitation its a physical hardware limitation.
Thanks for your reply, do you know any app out there that monitor and alarm you when the network or signal is lost ? That works with 4.3 ?That way at least you know the phone is offline ... some of the apps I tried is anything at all ...
Thanks
Have you tried an app like tasker? Its essentially an automation app. It isnt jist for your use. Its for many different functions. Jist look on the app store for tasker. That might help
Sent from my HTC Butterfly s using Tapatalk

No data on AT&T network

Hello everybody,
Since I didn't find straight answer searching this forum I decided to create a new tread.
I have sim unlocked T-mobile LG G4 H811 that I'd like to use in with AT&T. Calls works fine but I don't have any data connection whatsoever. I can see several AT&T networks when I go to Network Operators setting but I'm unable to connect to any of them
So I was wondering if there's a special trick to make it work?
Thanks in advance
jelsomino said:
Hello everybody,
Since I didn't find straight answer searching this forum I decided to create a new tread.
I have sim unlocked T-mobile LG G4 H811 that I'd like to use in with AT&T. Calls works fine but I don't have any data connection whatsoever. I can see several AT&T networks when I go to Network Operators setting but I'm unable to connect to any of them
So I was wondering if there's a special trick to make it work?
Thanks in advance
Click to expand...
Click to collapse
Make sure you have the at&t apn set
I Had The Same Issue
jelsomino said:
Hello everybody,
Since I didn't find straight answer searching this forum I decided to create a new tread.
I have sim unlocked T-mobile LG G4 H811 that I'd like to use in with AT&T. Calls works fine but I don't have any data connection whatsoever. I can see several AT&T networks when I go to Network Operators setting but I'm unable to connect to any of them
So I was wondering if there's a special trick to make it work?
Thanks in advance
Click to expand...
Click to collapse
I found that going into the cellular network settings and picking 2G then wait for 5seconds and click LTE (recommended) again works. Not sure why this is needed but you would have to do this after every power off of the phone. Very strange hopefully someone gets to the bottom of this issue soon.

[Moto G] Can not access AT&T cellular network with CM13

Hi All,
I have a Moto G 2014 (titan) and have been using CM for a while. Last month I just moved to USA and joined T-mobile. It was good but expensive. So I switched to a family plan of AT&T last week. However, I can text and call, but could not access internet through AT&T cellular network. Custom services only tried to change SIM card and change APN settings (we tried a lot of APN settings). But none of them works. (Of course it works when you put the SIM card in another phone). So after googling for a while I guess the problem is with the "modem" firmware? I am not sure though, 'cause I am able to set APN. I hope you guys can direct me to the right direction. I was using a version of CM13 last month when I am with T-mobile. It worked fine. I did not do any updates when I switched to AT&T. However I just updated to cm-13.0-20160906-NIGHTLY. The problem persists. BTW it now just shown the signal but no sign of 3G, however, I do not remember if it is suppose to shown that. Does that mean I am not connecting to the 3G network at all?
It would also be real helpful if you can direct me to learning resources of cellular networks and how to troubleshoot such problem. For example, I found myself have no clue of the answer to the following question (excuse me if they are silly questions) and could not find an answer by google,
Is the APN settings related to the type of hardware of firmware that I am using? Does a specific hardware/firmware works in one APN but not another?
Thanks a lot!
Hey guys! I solved the problem by just erase modemst1&2 without install new modem firmware. Could anyone tell me why?

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