How to recover The imei and mobile signal? - Galaxy Tab S Q&A, Help & Troubleshooting

I have The tab s t705 i flashed cm12 and i lost The imei and mobile network . I can recover the mobile functions? thanks

I think if you flash the lollipop bootloader with Oden they are somewhere in this forum or Google is your friend......

Probably lost if you didn't make a TWRP backup.

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[Q] IMEI problem with Note 2

I have IMEI problem with my phone. I flash 4.3 via Odin, but this version is full with bugs. After that i flash with 4.1.1 and the problems start. My IMEI became 0049.. After this flash I flash with 4.1.2 - 4.3 but the IMEI is 0049.. I have EFC folder on my PC, but i don't know how to reset her.. I have and other problem, on my screen i have square with info for my phone - PDA ,CSC,BAND,MEMORY and other.
Can you help me to fix this big problem for me..
no one can help u to solve your problem... no one also don't care about this..
this is the kind of oldest radio board on the device. latest modem & kernel only can read new radio hardware. that's why it cannot detect the IMEI correctly..
Try flashing dmg1 rom
Sent from my GT-N7105 using xda app-developers app
dmg1 also not work
An7u said:
I have IMEI problem with my phone. I flash 4.3 via Odin, but this version is full with bugs. After that i flash with 4.1.1 and the problems start. My IMEI became 0049.. After this flash I flash with 4.1.2 - 4.3 but the IMEI is 0049.. I have EFC folder on my PC, but i don't know how to reset her.. I have and other problem, on my screen i have square with info for my phone - PDA ,CSC,BAND,MEMORY and other.
Can you help me to fix this big problem for me..
Click to expand...
Click to collapse
well just check here and u will find an option to restore http://forum.xda-developers.com/showthread.php?t=2389426
An7u said:
I have IMEI problem with my phone. I flash 4.3 via Odin, but this version is full with bugs. After that i flash with 4.1.1 and the problems start. My IMEI became 0049.. After this flash I flash with 4.1.2 - 4.3 but the IMEI is 0049.. I have EFC folder on my PC, but i don't know how to reset her.. I have and other problem, on my screen i have square with info for my phone - PDA ,CSC,BAND,MEMORY and other.
Can you help me to fix this big problem for me..
Click to expand...
Click to collapse
Flash any mg1 Rom(custom/stock) and then flash mi6 modem..solved:thumbup:
Sent from my AweSoMe ☆♥Note2♥☆
mannyvinny said:
Flash any mg1 Rom(custom/stock) and then flash mi6 modem..solved:thumbup:
Sent from my AweSoMe ☆♥Note2♥☆
Click to expand...
Click to collapse
Hi, i have this problem for two days and i cant get a solutions. this method will work ?
emergency call only on GTN7100 on rom 4.3
Dear Support
recently i have upgraded the firmware 4.3 after that unable to do call from mobile as it getting not registered on network. when i check the imei number getting 00499. i have tried all possible way as changed the rom upgrade/degrade firmware but remaining same and also showing KNOX warranty void 01 on odin mode. Could you please some to help to restore my original imei as i dont have any EFS back up of note 2
mannyvinny said:
Flash any mg1 Rom(custom/stock) and then flash mi6 modem..solved:thumbup:
Sent from my AweSoMe ☆♥Note2♥☆
Click to expand...
Click to collapse
I am in the same boat, I need omega 18 to work on my phone. It's XXDMG1. Can I use the same modem file. Please guide. Thanks.
P. S. My imei does not change, I get emergency call only and there is no mobile network.
Sent from my GT-N7100 using Tapatalk

Need help

My phones imei showing 004999010640000 and not registering to network since I unroot it and also I dont have the efs img or not nandriod back up. Even after flashing stock firmware the imei dont changes. Every thing is working fine except the network error but this is because of imei... How can I get back the imei now? Plz suggest.
sir273 said:
My phones imei showing 004999010640000 and not registering to network since I unroot it and also I dont have the efs img or not nandriod back up. Even after flashing stock firmware the imei dont changes. Every thing is working fine except the network error but this is because of imei... How can I get back the imei now? Plz suggest.
Click to expand...
Click to collapse
I had this problem and i installed the stock 4.3 via Odin. You can try this.Good luck!
if flashing stock doesn't work, try to flash modem.
jaymuhazar said:
if flashing stock doesn't work, try to flash modem.
Click to expand...
Click to collapse
can you give me the link of the file I'm on 4.3 xxuemk4.
sir273 said:
can you give me the link of the file I'm on 4.3 xxuemk4.
Click to expand...
Click to collapse
your imei is lost and you have to restoree your efs backup and restart the phone,simple as
saurabh88 said:
your imei is lost and you have to restoree your efs backup and restart the phone,simple as
Click to expand...
Click to collapse
They have said they don't have an efs backup or a nandroid backup..
GT N7105 with XDA Premium......that is all......

no network problem.. need urgent help

I have f180l.. I flashed e975 germany kk kdz and then flashed f180l modem...got no network.. Tried with many modem.. Still no network...
Then i flashed f180lv20s kdz.. Still no network..
Help me please
Restore EFS Backup....
clickanu said:
Restore EFS Backup....
Click to expand...
Click to collapse
Dont have
Any other way?
do you have your IMEI? Press *#06#
If IMEI is ok, then try to flash KDZ of respective version F180L through Flash tool 2014. after Flashing , root the phone, make EFS BAckup, then flash " e975 germany kk kdz"... then restore efs.

N910P on bootloder and N910H under Battery !!!

Hello , i got a new phone Note 4 ( Sorry wrong title . it is n910F not H)
it was on kitkat 4.4.2 and it was working well so i wanted to upgrade to 6.0.1
when i go to bootloader , i saw N910P but inside firmware and under battery it is N910F
I was confused so i flashed n910F but it fails to flash so i tried n910p , it worked but i lost imei and network. i took it a repair store and he wrote a new cert file . now i got new imie but still i dont have network. if i want to search manually , it always say error
He made downgrade to 5.1.1 and make unlock via programing tools but the same.
i didnt make any back ups foe efs.
can some one help me with this?
Thanx in advance
Sobaro said:
Hello , i got a new phone Note 4
it was on kitkat 4.4.2 and it was working well so i wanted to upgrade to 6.0.1
when i go to bootloader , i saw N910P but inside firmware and under battery it is N910H
I was confused so i flashed n910h but it fails to flash so i tried n910p , it worked but i lost imei and network. i took it a repair store and he wrote a new cert file . now i got new imie but still i dont have network. if i want to search manually , it always say error
He made downgrade to 5.1.1 and make unlock via programing tools but the same.
i didnt make any back ups foe efs.
can some one help me with this?
Thanx in advance
Click to expand...
Click to collapse
You should always always backup every partition. Especially efs.
Anyhow, what service are you trying to use? GSM or CDMA?
If your using it with GSM, and If this phone is truly a sprint phone, it probably got sim locked when he fixed it. I ain't no expert but it probably needs unlocked if this is the case.
Edit: I just understood what you wrote, that he already unlocked it. Sorry for misunderstanding.
But if your using it with sprint, maybe it just needs activation updated. I don't use sprint or CDMA so I don't know a lot about that.
But main thing you need to do before anything else. Is make a full back up of your partitions. I always make backup in two.( Which is mainly all you need)
But also there are programs that (I can't remember there names,) make backups of all your hidden partitions, just in case.
I understand I didn't provide you with a definite answer to your problem but hope it can help.
aaron74 said:
You should always always backup every partition. Especially efs.
Anyhow, what service are you trying to use? GSM or CDMA?
If your using it with GSM, and If this phone is truly a sprint phone, it probably got sim locked when he fixed it. I ain't no expert but it probably needs unlocked if this is the case.
Edit: I just understood what you wrote, that he already unlocked it. Sorry for misunderstanding.
But if your using it with sprint, maybe it just needs activation updated. I don't use sprint or CDMA so I don't know a lot about that.
But main thing you need to do before anything else. Is make a full back up of your partitions. I always make backup in two.( Which is mainly all you need)
But also there are programs that (I can't remember there names,) make backups of all your hidden partitions, just in case.
I understand I didn't provide you with a definite answer to your problem but hope it can help.
Click to expand...
Click to collapse
nah, i am not using it with sprint and yes i am using GSM network.
I tried every solution available but no success .
Sobaro said:
nah, i am not using it with sprint and yes i am using GSM network.
I tried every solution available but no success .
Click to expand...
Click to collapse
Can to send me a copy of your build.prop
Edit. Are you using sprint stock ROM? What version? Are you sure it's unlocked? If yes, I might be able to help. But I have to gather some info. And get to my PC. Cause I'm testing a ROM right now and am lagging
I have faced the same problem and, managed to solve it. Here is the solution..
1. Download any kk or lp firmware of n910p. Extract the .tar file, get the ' modem.bin' and flash it using Odin. Do it twice, yes, twice. Before flashing the modem, make sure you have unchecked 'auto boot' option in Odin. To turn off the phone after the first flesh, just take off the battery.
2. Download twrp 3.0.1.0 for n910f. Yes.. TWRP recovery for N910F ( or the model specified under the battery). Flash it using Odin.
3. Download any stock based custom ROM which is based on the modem you have flashed. For example, BOB7, COG5 , COK1( these are the last 4 characters of the stock firmware/modem)
4. Flash the custom ROM using twrp, flash gasps, and smile.
If you face bootloop, just try different kernel. I'm using BOB7 modem, emotion kernel, vision x custom ROM.
z.a.shimon said:
I have faced the same problem and, managed to solve it. Here is the solution..
1. Download any kk or lp firmware of n910p. Extract the .tar file, get the ' modem.bin' and flash it using Odin. Do it twice, yes, twice. Before flashing the modem, make sure you have unchecked 'auto boot' option in Odin. To turn off the phone after the first flesh, just take off the battery.
2. Download twrp 3.0.1.0 for n910f. Yes.. TWRP recovery for N910F ( or the model specified under the battery). Flash it using Odin.
3. Download any stock based custom ROM which is based on the modem you have flashed. For example, BOB7, COG5 , COK1( these are the last 4 characters of the stock firmware/modem)
4. Flash the custom ROM using twrp, flash gasps, and smile.
If you face bootloop, just try different kernel. I'm using BOB7 modem, emotion kernel, vision x custom ROM.
Click to expand...
Click to collapse
Thank you, i will try and get back to u soon . Much appreciated !
aaron74 said:
Can to send me a copy of your build.prop
Edit. Are you using sprint stock ROM? What version? Are you sure it's unlocked? If yes, I might be able to help. But I have to gather some info. And get to my PC. Cause I'm testing a ROM right now and am lagging
Click to expand...
Click to collapse
yes i am sure phone is unlocked through Domestic Unlock ( z3x & octoplus Boxes)
also i am on Stock 5.1.1 lollipop
I think the only way u can help me is by sharing a good QCN and EFS for N910P ! (if the above solution from our friend doesnt work 4 me )
Also i am from another country so there is no harm for you if u share it with me in private.
Thanks in Advance !
Sobaro said:
yes i am sure phone is unlocked through Domestic Unlock ( z3x & octoplus Boxes)
also i am on Stock 5.1.1 lollipop
I think the only way u can help me is by sharing a good QCN and EFS for N910P ! (if the above solution from our friend doesnt work 4 me )
Also i am from another country so there is no harm for you if u share it with me in private.
Thanks in Advance !
Click to expand...
Click to collapse
Sounds like your on your way. Good luck.
z.a.shimon said:
I have faced the same problem and, managed to solve it. Here is the solution..
1. Download any kk or lp firmware of n910p. Extract the .tar file, get the ' modem.bin' and flash it using Odin. Do it twice, yes, twice. Before flashing the modem, make sure you have unchecked 'auto boot' option in Odin. To turn off the phone after the first flesh, just take off the battery.
2. Download twrp 3.0.1.0 for n910f. Yes.. TWRP recovery for N910F ( or the model specified under the battery). Flash it using Odin.
3. Download any stock based custom ROM which is based on the modem you have flashed. For example, BOB7, COG5 , COK1( these are the last 4 characters of the stock firmware/modem)
4. Flash the custom ROM using twrp, flash gasps, and smile.
If you face bootloop, just try different kernel. I'm using BOB7 modem, emotion kernel, vision x custom ROM.
Click to expand...
Click to collapse
I did exactly as u said but still dont have network. i think i messed up my efs folder .
Please any suggestions ?
Sobaro said:
I did exactly as u said but still dont have network. i think i messed up my efs folder .
Please any suggestions ?
Click to expand...
Click to collapse
Could you please check the IMEI? Is it null or "00"? Does your phone shows baseband number?
z.a.shimon said:
Could you please check the IMEI? Is it null or "00"? Does your phone shows baseband number?
Click to expand...
Click to collapse
My imei & baseband are OK
Any way i send it back to customer care , thank u very much.
same problem
i have the same problem you have i do not know what shall i do ?
please any help
did you try to flash stock sprint firmware lollipop 5.1.1?
Sobaro said:
My imei & baseband are OK
Any way i send it back to customer care , thank u very much.
Click to expand...
Click to collapse
Bro
Did you ever solved the problem?
I have a similar problem, but my phone makes emergen y calls, but will notnregiater to the network.

No signals

Ok I'll keep it short as possible. My friends n7100 was working fine on android 4.1 then he decided to upgrade it to lollipop then he had no signal. He then flash official stock 4.4.2 firmware on it yet still no signal and baseband and imei is null. Plz what can i do to repair it. I own a shv-e250s with 4.4.2 and everything works perfectly, is there a way for me to use mine to repair his? Thanks for reading
Is your friend's phone an e250s? How did he flash it to lollipop when there is no stock lollipop for the note 2?
No. My friend's device is n7100 and he flash 5.0 using a custom rom
audit13 said:
Is your friend's phone an e250s? How did he flash it to lollipop when there is no stock lollipop for the note 2?
Click to expand...
Click to collapse
Pls any help will be appreciated. Thanks
Sounds like the efs partition may have been damaged.
Was the latest stock ROM flash successfully? If yes, the phone's imei may have to be repaired at a cell shop.
audit13 said:
Sounds like the efs partition may have been damaged.
Was the latest stock ROM flash successfully? If yes, the phone's imei may have to be repaired at a cell shop.
Click to expand...
Click to collapse
Yes it was flash successfully and it's working properly except no signals
The phone won't connect to a carrier network without a correct imei.
audit13 said:
The phone won't connect to a carrier network without a correct imei.
Click to expand...
Click to collapse
So do i need to flash efs file to get the signals?
Do you have a backup of the EFS partition?
audit13 said:
Do you have a backup of the EFS partition?
Click to expand...
Click to collapse
No. Can i find it on google?
The data inside an EFS partition is unit and would contain the imei information.
You may have to take the phone into a cell shop and have them repair the imei.

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