I noticed the imei was writing null then on KitKat, I downloaded Marshmallow Stock ROM and flashed using Odin but the imei is yet to fix the Not Registered on Network. Can somebody help me with sm-n910h imei backup please. I have successfully rooted the phone.
IMEI is different on every phone, and it's forbidden to discuss about IMEI changing from any other source than your own backup. The only thing you could do, is sending it back to the manufracturer for warranty, if you didn't flash anything other than stock/your sticky bit is still not set (if your phone has one)
Sent from my SM-G350 using XDA-Developers mobile app
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I went to stock GB from an ICS ROM, and then to Helly Bean. Everything seems to work fine except any kind of networking. I cannot connect to 3G or AT&T's stuff (text messages, calls, etc.). I can connect to my wifi network and use it. In the Settings on my phone, Baseband Version and IMEI are unknown. The only thing in my efs folder in Lost and Found. I have no backups, as I wasn't aware that this problem existed.
Not sure what to do. Right now I'm leaving the SIM card and battery out for a few minutes, and then putting them back in to see if that helps. I'll probably flash a modem as well. Any suggestions? Any known fixes?
edit: Tried the battery removal and modem flashing, neither worked. Now going back to stock.
Edit2: going back to stock did nothing. I tried another SIM card, and that one also does not work.
I went back to stock GB again (third time now) and it's now recognizing my IMEI, but I still can't text or call.
Check your APN. And don't forget to backup that efs folder...just in case.
Sent from my SAMSUNG-SGH-I777 using xda premium
It's not letting me look at the APN settings because it still doesn't detect a SIM card, only my IMEI.
Anything under Baseband ?? If not try flashin a modem through Odin.
Sent from my SAMSUNG-SGH-I777 using xda premium
Okay, I was definitely having a legitimate problem earlier, before I flashed to stock. At some point in this repair process, my SIM card ended up in my phone upside-down.... woops.
Thanks for trying to help me 4-2ndtwin.
Ooops...sh** happens lol.
Glad u got it fixed !
Sent from my SAMSUNG-SGH-I777 using xda premium
help
please am new here,, having the same problem ,..kindly help me out
Yungmo11 said:
please am new here,, having the same problem ,..kindly help me out
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This thread most likely has to answer.
Check your APNs to make sure they match your carrier's.
Check your IMEI to make sure it matches the one with your phone. If it's not the case, you'll need to go back to stock KK4, backup your efs folder with a app that has root rights (like ES File Explorer) and restart the falshing process.
A good backup would be suggested before going to stock!
same problem baseband is unknown and imei is null. help
Hello evryone,i am in a big trouble...actually i installed cm 9 on my phone and overall it was good but it was unable to register on any network so i decided to change the baseband version to ddjv5 through odin..after completing when i saw my phone's info then baseband version was showing unknown...then i modified the cm 9 zip file with ddjv5 modem and again installed it and this time base band was showing ddjv5...but still it was unable to register on any network so i then tried to flash back to other custom rom but i was unable to flash it..it was saying error in rom,installation aborted...after that i downloaded cm 10 and successfully flashed it...but when i rebooted my phone without sim a message popped up saying..your phone imei number is invalid and it may cause network problem,,but when i start my phone with the sim card..no such message is shown!!!..my phone's imei is 004999010640000..any help why it is unable to register on any network??is that because of the imei??...please help
Sent from my GT-S5830i using xda app-developers app
Sent from my GT-S5830i using xda app-developers app
Yes - it is because of your IMEI - that one is the bad IMEI that sometimes appears when you flash ROMs. Search the forum for IMEI LOST or RECOVER IMEI or similar. I believe the solution is to reflash a stock GingerBread rom through ODIN. Search and you will find a definitive answer.
Ohh OK I will..thnks
Sent from my GT-I9000 using xda app-developers app
hi after flashing cm 10.1 and then gapps, my phone stopped showing the pin code screen and even was not able to search my network. i also tried flashing back to gb but in vain. what can i do?
thx to reply asap
no signal, no imei...
as stated above, my phone does shows that imei is unknown, there is no signal and baseband is also unknown. while searching google i found that the problem came from the efs folder. can somebody send me their .nv_data file plz? or will it be possible to restore the efs folder?
unfortunately, i didn't backup the efs folder as i didn't know that this would happen one day!
As pushing efs from someone else's phone will give you that person imei I guess it will be hard to find someone who will give it to you.
There is one thread with investigation of possible fix (finding location and exact file where imei is stored - so guys like you can edit this file to force imei back to the phone)
Sent from my SGS Adv. using xda-developers app.
I successfully restored my phone signal and my imei. But know I have a xxxx for baseband. help me plz
Sent from my GT-I9070 using xda app-developers app
Patlcs said:
I successfully restored my phone signal and my imei. But know I have a xxxx for baseband. help me plz
Sent from my GT-I9070 using xda app-developers app
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Try flashing a baseband?
Sent from my air conditioner
Hi,
I have owned a factory unlocked Galaxy Note GT-N7000 for about 9 months now. I have since rooted it but kept it on Android 4.0.4 and recently put a Speakout Wireless sim card in it [it's a canadian carrier that re-sells Rogers Wireless] (I used to have a TIM (italian carrier) sim in it).
It worked fine for about 3 and a half weeks. Then, suddenly, it refused to recognize the sim card. I ordered a replacement SIM card, and it did not fix anything either.
It also displayed some alarming other signs that something really isn't working:
If I hold down the power button, instead of displaying the normal power menu that allows me to switch to airplane mode, reboot or shutdown, it now shuts down immediately
If I enter *#06# to get the IMEI number of the phone, the IMEI window appears, but it's empty
If I enter the settings menu and phone informations, the IMEI number is shown as "Unknown"
I am really at a loss as to how I should proceed now
easy hack it with haxor talk thought terminal to other dimension...
no efs backup = your screwed.
so dig in and find a 5 part rom with efs. img, use the freaking search and pcodin it onto you phone, drketan guide way.
that gives you generic imei enought for service, unless your country or provider blocked it lmao
Sent from my GT-N7000 using Tapatalk 2
There are a set of instructions on the following site. Check it.
http://www.cvxcvx.pl/en/podstrona-0/naprawa-efs-w-i9100-n7000/
Sent from my GT-I9500 using xda premium
That is very helpful, thank you.
One question tho: point #1 says to look for "/dev/block/mmcblk0p1 on /efs type ext4(rw,nosuid,nodev,noatime,commit=20,barrier=1, nodelalloc,data=ordered)". Not such line is present in the output of the command on my phone. Does that mean that I should proceed with point #2 or not?
nokiamodeln91 said:
There are a set of instructions on the following site. Check it.
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Click to collapse
I've done point #1 and #2, and the phone started working again (I was able to take calls, etc) but the IMEI was a temporary 0049 etc number.
When I did point #3, it stopped working, it reverted to the blank IMEI issue detailed above.
I have now redid point #1 and #2 and it works again with the weird IMEI. What am I to do now tho?
Snowolfeu said:
I've done point #1 and #2, and the phone started working again (I was able to take calls, etc) but the IMEI was a temporary 0049 etc number.
When I did point #3, it stopped working, it reverted to the blank IMEI issue detailed above.
I have now redid point #1 and #2 and it works again with the weird IMEI. What am I to do now tho?
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Click to collapse
The only way to restore lost imei is either contact cvxcvx directly, or Samsung. Samsung will charge a lot more than cvxcvx.
Sent from my C6833 using XDA Premium 4 mobile app
The site says if its a blank imei as was in your case, you could try those instructions.
You have done not flashing no reset, just changed Sim and your imei gone?
Sent from my GT-I9500 using xda premium
Try 123 unlock service it worked for me
Sent from my GT-N7000 using xda app-developers app
Hi everyone,
Hope you can help me solve this, cuz I'm way out of my knowledge..
My phone broke the lcd and was out of action for a few months.. After I finally got a replacement screen, the phone wasn't working and said IMEI unknown, I've tried to flash a few roms via recovery but nothing. So I just went crazy and flashed it via kies. It worked, the imei appeared but the phone was locked again..
Back to the shelf a few weeks until I could afford to pay for unlock.. When I picked it up, it was unknown IMEI again and the guy at the shop basically told me he couldn't help.
Was he right? I refuse to believe I can't recover the phone.. Can you please help?
Thanks!
Anyone?
Are you sure is that phone imei is not blocked, because provider may block if it is stolen reported.
I had the same problem after changing display IMEI unknown
But somehow it was saved from 'unknown IMEI' I don't know how.
restored efs from previous backup (twrp & philz recovery)
- no imei
I flashed stock
- no IMEI
asop
- no imei
tried different modems
again stock
- suddenly its worked
(some users reported flashing different modems worked for them)
Yes I'm sure imei is not blocked by network. Have a friend that bought a phone which he discovered the hard way it was stolen, anyway, blocked imei by network behavior is completely different.
This is what happened to me first time only valid imei after kies rom update.
madz78 said:
Yes I'm sure imei is not blocked by network. Have a friend that bought a phone which he discovered the hard way it was stolen, anyway, blocked imei by network behavior is completely different.
This is what happened to me first time only valid imei after kies rom update.
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Click to collapse
If you see imei again, Make a backup using pc, there is a guide in development section. So, you can easily restore again.