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[Q] [HELP] Trouble restoring the EFS backup

Hi All,
I was using GT-I9003 with XXKPE ROM on 2.3.6 GB.
Rooted the phone and installed CM10 A4 (JB) and it was running fine for 1 month.
Suddenly one day, the phone was stuck in flight mode and cannot connect to the carrier.
When I checked, the IMEI is blank and baseband is unknown. Wifi and other services were working without any issue.
I have a backup of EFS folder taken while installing CM10/Nandroid backup but restoring the files did not help.
Tried manual copy of nvdata file with root explorer, EFS pro but IMEI is still blank.
Moved to stock ROM but still the phone does not take backed up EFS information.
Is there a way to restore IMEI information without motherboard replacement ?
Regards,
Ram

Sorry but need your help too.
Rampraz said:
Hi All,
I was using GT-I9003 with XXKPE ROM on 2.3.6 GB.
Rooted the phone and installed CM10 A4 (JB) and it was running fine for 1 month.
Suddenly one day, the phone was stuck in flight mode and cannot connect to the carrier.
When I checked, the IMEI is blank and baseband is unknown. Wifi and other services were working without any issue.
I have a backup of EFS folder taken while installing CM10/Nandroid backup but restoring the files did not help.
Tried manual copy of nvdata file with root explorer, EFS pro but IMEI is still blank.
Moved to stock ROM but still the phone does not take backed up EFS information.
Is there a way to restore IMEI information without motherboard replacement ?
Regards,
Ram
Click to expand...
Click to collapse
Rooted mine as well but now am also stuck with overheating and other lots of problems. kindly tell me how you moved to the stock rom. sorry i had no help to your problems. Thank you.

mendak1957 said:
Rooted mine as well but now am also stuck with overheating and other lots of problems. kindly tell me how you moved to the stock rom. sorry i had no help to your problems. Thank you.
Click to expand...
Click to collapse
You can move to the custom ROM by flashing the XXK** stock rom from odin.

[Q] I've lost my imei but i have my efs backup

Guys i have a backup of my efs folder but i couldn't manage to restore it i still don't have signal and it says my baseband is unknown could someone help me please?
i did what dhiru said in his thread used that cwm script but didn't work..
Help me please..

http://forum.xda-developers.com/showthread.php?t=1264021

Thanks for the reply bro! I didn't do anything i flashed the frankestein rom and formated system emmc with the CWM it has and flashed DDLF2 Again i hadn't had baseband and imei with it and after i rooted it everything came back!.
Thank you anyway!

I've got the same problem solutions

The device does not have a connection Towers
He says there is no sim
And I do not have a copy of the efs files
What should I do

Guys last night i was surfing net and suddenly i've lost my connection again -.-
i did 9 steps to recover but didn't work.
*#06# shows my imei blank. i did dhiru's thread but didn't work i have my backup but i can't restore it help me :/

[SOLVED] i317M - not connecting to network

Hello,
I started with Galaxy Note 2- i317M (rogers, canada), rooted with DN3 V4 beta installed. But I wanted to try DN4, so I created a back-up using TWRP and tried installing DN4. However, I later realized that it is not for the LTE versions yet and phone did not recognize SIM anymore. So I wiped the data and tried installing dn3 v5.5, but the phone still did not connect.
Losing all hope I installed DNv4 again, but it still did not work. So i finally just tried restoring from the back-up I made using TWRP. Everything in the phone is same except no network.
Finally I tried restoring from back-up after doing a complete wipe of internal storage and everything except the external card. But still the error does not go away. I researched more about the error and the fact that my imei shows up as null/null. I used the instructions of using EFS professional, but it did not work. The model number in my phone now shows up as SM-G900F and baseband shows as unknown, and it shows DN3V5 Rom despite the clean-up and restoring from DN3V4.
Any guidance available on this please...I need specific steps because after 12 hour search and try-outs I am lost now.....
UPDATE:
Solved it! Here is the solution for anyone in this problem
http://forum.xda-developers.com/showpost.php?p=46231268&postcount=4
worked like a charm.. No reason to throw this and get a new phone

I have had this problem. It didn't happen whilst flashing though. My imei number is now a generic one and I had no efs backup. After 5 days of trying everything I can find I'm giving up. My note 2 is dead as far as I'm concerned. As far as I'm aware to get my imei back I'll have to send it for repair so I'll buy another phone and not a Samsung

I don`t think your phones are dead. I didn`t try it personally, but I`m sure you can restore your EFS back. Just you need to do some research, maybe you could start here:
https://www.google.ro/?gws_rd=ssl#safe=off&q=how+to+recover+efs+folder
Do not give up, read on end you will eventually do it! And, by the way, next time maybe you don`t forget to back up before doing anything to your phone!

nmugurel2003 said:
I don`t think your phones are dead. I didn`t try it personally, but I`m sure you can restore your EFS back. Just you need to do some research, maybe you could start here:
https://www.google.ro/?gws_rd=ssl#safe=off&q=how+to+recover+efs+folder
Do not give up, read on end you will eventually do it! And, by the way, next time maybe you don`t forget to back up before doing anything to your phone!
Click to expand...
Click to collapse
I did back up. with both titanium backup and twrp but it is not working. And I dont think I will give up. I will format is all together and start over if i have to.
Do you think it will work if I format it entirely and start over?

dexterousyash said:
I did back up. with both titanium backup and twrp but it is not working. And I dont think I will give up. I will format is all together and start over if i have to.
Do you think it will work if I format it entirely and start over?
Click to expand...
Click to collapse
Glad to see you solved it!

[Q] My imei is blank. Backup missing as well.

So I made a backup and promptly flashed a new rom as soon as I got my OPO it hasn't even been activated yet. When I went to activate it I realized my imei number was null. I looked for my backup but I must have deleted the backup somewhere along the way. Is there some way to restore this. Like if I flashed the stock image would it fix this? I saw another thread for fixing a corrupted EFS but is that the same thing. I'm sorry I don't really understand much of this stuff.

Thread concerning corrupted efs is where you need to be.

Lost imei after factory reset and root

Hi guys,
I have a slight problem here, I was using my rooted with magisk and running lineageos17. Unfortunately, bluetooth wasnt working so I reverted back to stock, which fixed the bluetooth problem. I tried rooting the thing then with this method:
https://www.xda-developers.com/install-android-oreo-samsung-galaxy-s7-exynos/
Unfortunately though, this killed my imei. I tried restoring my efs partition with twrp; even tried reflashing the stock firmware, all to no avail, my imei is gone.
Is there any way I can restore it or have I turned my phone into a fancy paperweight now?
Would be cool if anyone could offer me some help,
best wishes,
derelektrischemoench
// edit: I managed to get twrp installed and was able to restore my twrp- backup which i had made before this whole endeavour and voila: the device is back online, has an imei and is able to connect to a network. Hell yea. Thread can be closed, I guess.