My s3 stopped recognizing the Sim yesterday, so i searched for a solution. i read in xda that its the EFS partition. I got no IMEI and no Baseband. Somehow i found 2 files on the internal SD Card: "efsbackup.tar" and "efsdev-mmcblk0p3.img".
I read this thread, but it didnt help me.
Any idea how i could fix it?
Btw, Android Revolution HD 11.0 with stock kernel
I'm guessing your Rom auto backs up the efs, so best to ask on their thread about reinstalling it
Restore your EFS backup .
jje
im going to install now arhd 11.3 and then do the restore of the efs backup.
i noticed that the backup was built yesterday evening, when the problem already was. well it seems like i got no backup, when it was working
I followed in this thread this post:
Process:
1. make a copy of your EFS folder using root explorer and store it somewhere safe (on your SD card and external SD card should do it).
2. delete the EFS folder from the root of your phone using root explorer.
3. reboot the phone
4. open root explorer and go to the EFS folder (yes, it is still there! The Android OS has generated a new one for us) and delete the following files:
nv_data.bin
nv_data.bin.md5
nv.log
.nv_data.bak
.nv_data.bak.md5
nv_data.bin.bak
and the entire IMEI folder.
5.Now go to your backed up EFS folder on your sd card and copy the IMEI folder and the " .nv_data" file (note the dot) to your new EFS folder.
6.Make another copy of the ".nv_data" file in your new EFS folder. Rename one of them to "nv_data.bin" and the other one to "nv_data.bin.bak".
7. Connect your phone to your PC and start up EFS PRO. After your phone has been detected, press the "Repair nv data" button to correct the ownership and permissions.
8. Reboot your phone into recovery mode using the three botton combo and flash the original modem firmware (the modem.bin file that you extracted earlier) to your phone using Odin (use the "phone" button for the upload) or Heimdall (use the "radio" partition for the modem.bin file upload).
9. Reboot the phone normally and your IMEI number will be restored and you will be able to connect to your mobile network again
Click to expand...
Click to collapse
and now i got an IMEI, but its still not mine: 004999010640000 / 01
If you have an efs.tar file why dont you put it in PDA in Odin?.
wont work.
deleted
Ok....then I dont understand why it backs up as a tar file then
yesterday i flashed siyah kernel, siyah probably made a efs backup. but that backup was already after that problem happened.
well i got now the 0049 imei
So you dont have a back up of you original IMEI is that what your saying?.Flashing ROMs normally is what makes a backup not flashing a kernel so Id say the backup is original.
Read this
http://forum.xda-developers.com/showthread.php?p=30682712
i read this but i dont know what to do with it. i understand that this are options to backup the efs partitions but not how to restore it how to restore it if already lost
x Schieby said:
i read this but i dont know what to do with it. i understand that this are options to backup the efs partitions but not how to restore it how to restore it if already lost
Click to expand...
Click to collapse
you need to read better then
You'll need to perform an "IMEI injection" which is a kludgy last-resort restore method that manually writes the IMEI to NVRAM; the link I provided in Part C of "Backup" will tell you how to do it.
x Schieby said:
My s3 stopped recognizing the Sim yesterday, so i searched for a solution. i read in xda that its the EFS partition. I got no IMEI and no Baseband. Somehow i found 2 files on the internal SD Card: "efsbackup.tar" and "efsdev-mmcblk0p3.img".
I read this thread, but it didnt help me.
Any idea how i could fix it?
Click to expand...
Click to collapse
That's what the efs backup is for xD
Calm down, or you'll make things worse. Unzip the efs.tar to /efs and reboot your phone (DON'T PULL THE BATTERY)
Everything should work like a charm again
Hope I could help!
LG familyguy59/Beatsleigher
slaphead20 said:
you need to read better then
You'll need to perform an "IMEI injection" which is a kludgy last-resort restore method that manually writes the IMEI to NVRAM; the link I provided in Part C of "Backup" will tell you how to do it.
Click to expand...
Click to collapse
sorry, but i still dont get it with the qpst. thats the part c you are thinking of right?
familyguy59 said:
That's what the efs backup is for xD
Calm down, or you'll make things worse. Unzip the efs.tar to /efs and reboot your phone (DON'T PULL THE BATTERY)
Everything should work like a charm again
Hope I could help!
LG familyguy59/Beatsleigher
Click to expand...
Click to collapse
going to try this now
familyguy59 said:
That's what the efs backup is for xD
Calm down, or you'll make things worse. Unzip the efs.tar to /efs and reboot your phone (DON'T PULL THE BATTERY)
Everything should work like a charm again
Hope I could help!
LG familyguy59/Beatsleigher
Click to expand...
Click to collapse
well, thats how my phone ended. i did that yesterday and my phone finally didnt even booted.
then i went to my carriers shop and told them it wont boot, and today i got a brand new phone
anyway thanks to all help!
Related
OK guys, I'm having a annoying problem and need helps.
My tab is P7500 64GB. I had been on AOKP build 38 for quite a long time without any big problem. I tried to flash build 40 recently and my tab was totally messed up. It FC every 30 sec and I decided to return back to HC 3.2 stock.
I went to Team Overcome site and download restock pack, including this "android_fastboot_emmc_full_p4_16G_32G.pit" and flash with stock md5 in Odin. Problem happened here!!! As mentioned on Team Overcome site, just ignore the error appear after Odin finished and continue to the ROM.
1st, after first boot, there is a screen asking for password. I found solution is to go to CWM and wipe data & cache. Everything was ok, except it keep saying "can't mount /efs", and the ROM is crazily sluggish. After that, no matter how I tried different ROMs, from HC to ICS, the ROM is still lag like hell.
Only temporary solution I found is to manually set permission /efs folder to rw-rw-rw after every boot to get the ROM back to it speed.
------------------
OK, in short, I'm deeply f*cked. Just realized that my tab can not realize sim card at all.
Please look at 2nd post and help for backup of /efs.
------------------
Then, f*ck all the sh*t. Just downloaded SGII_Repair from market, fix from it. 2 steps & sh*t gone away. More than happy.
Please close thread
Found this on other device forum
FIXED....
here's how.
as you may see in the post i stopped in the step of trying to format \efs partation.
but instead.
I went to my friend phone and make this command
Code:
dd if=/dev/block/mmcblk0p1 of=/sdcard/ilostit.dd
this backup the mmcblk0p1 which is \efs to a file.
then move it to my phone \sdcard
and did this commands.
Code:
umount /efs "unmount /efs
dd if=/sdcard/ilostit.dd of=/dev/block/mmcblk0p1 "relfash mmcblk0p1 with the backup.
reboot
this reflash mmcblk0p1 block with the backup,
then copy my \efs backup to \efs.
and no more IO error..
and violaa...
my IMIE is back and the Signal is OK.
Click to expand...
Click to collapse
Which means, some one please back up your P7500 /efs folder and upload here so that I can revive mine. Thanks a lot!
I need this too! My efs is also gone
Sent from my GT-P6800 using xda premium
camapghe said:
Found this on other device forum
Which means, some one please back up your P7500 /efs folder and upload here so that I can revive mine. Thanks a lot!
Click to expand...
Click to collapse
This can't be done...unfortunately efs contains the imei, so if someone gives their /efs backup to you, you will end up with the same imei. Imo it is highly unlikely that someone is willing to give you his/her imei.
Check this out:
forum.xda-developers.com/showthread.php?t=1264021
It may help you!
Sent from my amazing 10.1 galaxy tab
Thansk Panos_dm, but I stuck at this step:
5) go to your backed up EFS folder on your sdcard, copy the "imei" folder to the EFS folder at the root of your phone, then again go to the backed up EFS folder at yout sdcard and copy the " .nv_data " file to your EFS folder at the root of your phone using root explorer, NOTE: the dot in first of nv_data is not a mistake, copy the ".nv_data" file.
No .nv_data file at all! Can you share?
I'm sorry but as I stated earlier I can't risk the contents of my /efs folder. Maybe you could flash a stock rom, go to Samsung and claim that it stopped working...maybe they'll buy it!
Sent from my amazing 10.1 galaxy tab
Ok, may be I'm not that screwed as I thought. I used EFS Pro latest version and some how fixed the efs problem. My tab realized sim card, base band appeared and everything seems fine. However, just TEMPORARY.
Every time I reboot, /efs folder screw again until I fix it by EFS Pro. Any permanent solution guys?
Hello
I have a China Mobile galaxy gs3 i9308, and the imei no. was changed to 0000000000000/null because of rom flashing (I think).
Now I am not registered on the network, so I have to change the imei no. back.
I tried several tutorials online, but seems like they're only for the galaxy s.
I tried the 9 step guide but I can't find the .nv_data file in my efs folder.
Can anyone help me or point me in the right direction?
Thank you
http://www.youtube.com/watch?v=JqLK_2I-SBM
check may be it helps
vegeta1 said:
http://www.youtube.com/watch?v=JqLK_2I-SBM
check may be it helps
Click to expand...
Click to collapse
Thanks for the quick reply. But I followed the written version of the guide and it only works for galaxy s? Because in my nv_data.bin file there's no line 00188008 in hex editor.
this is the link to that thread: http://forum.xda-developers.com/showthread.php?t=881162
The video poster also said it only worked for galaxy s.
Any other ideas?
hey, I have the same problem, SGS3 with wrong imei 0049.... i lose my efs file, someone can help us?
You could try flashing stock rom, heard that this sometimes restores imei, not sure if it works on s3
Also, check if the rom or kernel you flashed created a eggs backup, some do
Sent via TCP/IP
Please help
i have the same problem i cant fix my imei, after flashing the phone it changed to 00499.. it made no backups and no nv_data.bin.bak
If the efs folder havent been backed up, what can i do? I tried changing the nv_data file like some tutorials here explain, but no luck(tried couple of times, it defently not compatible with my galaxy s3), i believe these tutorials are for erlier galaxies.
Please help!
Thank you
Sent from my GT-I9300 using xda app-developers app
Flashing a stock rom works then root again it worked for me using a UK 3 official rom
Sent from my GT-I9300 using xda premium
dazzztom said:
Flashing a stock rom works then root again it worked for me using a UK 3 official rom
Sent from my GT-I9300 using xda premium
Click to expand...
Click to collapse
it shouldn't work for restoring IMEI on the S3
tomniu said:
Hello
I have a China Mobile galaxy gs3 i9308, and the imei no. was changed to 0000000000000/null because of rom flashing (I think).
Now I am not registered on the network, so I have to change the imei no. back.
I tried several tutorials online, but seems like they're only for the galaxy s.
I tried the 9 step guide but I can't find the .nv_data file in my efs folder.
Can anyone help me or point me in the right direction?
Thank you
Click to expand...
Click to collapse
Try this : http://forum.xda-developers.com/showthread.php?t=1801997
Did you back up the efs folder before you flash your device?
I understood that imei numbers were hardwired into the phone. And changing them n having the equipment was illegal. This is what the networks use to bar your phone if it gets stolen.
Sent from my GT-I9300 using xda app-developers app
eddydo said:
Did you back up the efs folder before you flash your device?
Click to expand...
Click to collapse
I don't know about international S3 but here in USA IMEI is not located in EFS folder.
chris170569 said:
I understood that imei numbers were hardwired into the phone. And changing them n having the equipment was illegal. This is what the networks use to bar your phone if it gets stolen.
Sent from my GT-I9300 using xda app-developers app
Click to expand...
Click to collapse
This program was created not to spoof IMEI just to restore if you have problem with it.
How to restore your IMEI number on SGS3 (GT-i9300)
I deleted my IMEI number when flashing roms a few days ago and it was showing as 000000...
I searched everywhere for a recipe of how to restore it and could not find one that would work. The closest that I got was a brilliant post (see link below) describing how to restore the IMEI on a SGS2 i9100. After following this recipe, I was able to restore my IMEI number to 0049 .... which is just as useless as 0000....
It took me a couple of days of research (and HUGE thanks to everybody whose previous research I was able to use) and I finally succeeded in restoring my IMEI using the 9 step process that I describe below. I can't guarantee that it will work and I do not know if it will work on any device besides the SGS3 GT-i9300 (international SGS3), because this is the only device that I have and was able to test the process on.
Links:
Restore IMEI on SGS2: http://forum.xda-developers.com/showthread.php?t=1264021
Download EFS PRO: http://forum.xda-developers.com/showthread.php?t=1308546
Download your original firmware using check fus downloader (http://forum.xda-developers.com/showthread.php?t=1032437&page=18)
You need:
-EFS PRO, a brilliant little program for Windows used to backup / restore the efs folder as well as recover / repair the nv_data*.bin files.
-Windows
-Windows USB drivers
-Rooted SGS3
-Root explorer.apk
-Original phone firmware (actually, you only need the modem.bin file, so once you download your firmware package, you can just extract the modem.bin file).
-Odin or Heimdall
Your phone's IMEI number is stored in the ".nv_data" file in the original shipped efs folder.
Process:
1. make a copy of your EFS folder using root explorer and store it somewhere safe (on your SD card and external SD card should do it).
2. delete the EFS folder from the root of your phone using root explorer.
3. reboot the phone
4. open root explorer and go to the EFS folder (yes, it is still there! The Android OS has generated a new one for us) and delete the following files:
nv_data.bin
nv_data.bin.md5
nv.log
.nv_data.bak
.nv_data.bak.md5
nv_data.bin.bak
and the entire IMEI folder.5.Now go to your backed up EFS folder on your sd card and copy the IMEI folder and the " .nv_data" file (note the dot) to your new EFS folder.
6.Make another copy of the ".nv_data" file in your new EFS folder. Rename one of them to "nv_data.bin" and the other one to "nv_data.bin.bak".
7. Connect your phone to your PC and start up EFS PRO. After your phone has been detected, press the "Repair nv data" button to correct the ownership and permissions.
8. Reboot your phone into recovery mode using the three botton combo and flash the original modem firmware (the modem.bin file that you extracted earlier) to your phone using Odin (use the "phone" button for the upload) or Heimdall (use the "radio" partition for the modem.bin file upload).
9. Reboot the phone normally and your IMEI number will be restored and you will be able to connect to your mobile network again
Good luck and let me know how it goes
Leahcim
do i have to delete the .nv_core.bak and the .nv_core.bak.md5
---------- Post added at 04:10 PM ---------- Previous post was at 04:04 PM ----------
and which nv_data file do i have to copy i got 7 of them
but if this will not fix my phone, can samsung fix it without replacing the motherboard
---------- Post added at 08:36 PM ---------- Previous post was at 08:35 PM ----------
my imei change sudden when i try to unlock my phone with messing the efs folder but i didn't backup it :crying:so now i dont have network
i have managed to follow all your steps and managed to get my IMEI back.
when i pressed *#06# i was able to see a series of numbers so i guess i got it right.
but i am still not connected to any network. please help!!
leahcim_za said:
I deleted my IMEI number when flashing roms a few days ago and it was showing as 000000...
I searched everywhere for a recipe of how to restore it and could not find one that would work. The closest that I got was a brilliant post (see link below) describing how to restore the IMEI on a SGS2 i9100. After following this recipe, I was able to restore my IMEI number to 0049 .... which is just as useless as 0000....
It took me a couple of days of research (and HUGE thanks to everybody whose previous research I was able to use) and I finally succeeded in restoring my IMEI using the 9 step process that I describe below. I can't guarantee that it will work and I do not know if it will work on any device besides the SGS3 GT-i9300 (international SGS3), because this is the only device that I have and was able to test the process on.
Links:
Restore IMEI on SGS2: http://forum.xda-developers.com/showthread.php?t=1264021
Download EFS PRO: http://forum.xda-developers.com/showthread.php?t=1308546
Download your original firmware using check fus downloader (http://forum.xda-developers.com/showthread.php?t=1032437&page=18)
You need:
-EFS PRO, a brilliant little program for Windows used to backup / restore the efs folder as well as recover / repair the nv_data*.bin files.
-Windows
-Windows USB drivers
-Rooted SGS3
-Root explorer.apk
-Original phone firmware (actually, you only need the modem.bin file, so once you download your firmware package, you can just extract the modem.bin file).
-Odin or Heimdall
Your phone's IMEI number is stored in the ".nv_data" file in the original shipped efs folder.
Process:
1. make a copy of your EFS folder using root explorer and store it somewhere safe (on your SD card and external SD card should do it).
2. delete the EFS folder from the root of your phone using root explorer.
3. reboot the phone
4. open root explorer and go to the EFS folder (yes, it is still there! The Android OS has generated a new one for us) and delete the following files:
nv_data.bin
nv_data.bin.md5
nv.log
.nv_data.bak
.nv_data.bak.md5
nv_data.bin.bak
and the entire IMEI folder.5.Now go to your backed up EFS folder on your sd card and copy the IMEI folder and the " .nv_data" file (note the dot) to your new EFS folder.
6.Make another copy of the ".nv_data" file in your new EFS folder. Rename one of them to "nv_data.bin" and the other one to "nv_data.bin.bak".
7. Connect your phone to your PC and start up EFS PRO. After your phone has been detected, press the "Repair nv data" button to correct the ownership and permissions.
8. Reboot your phone into recovery mode using the three botton combo and flash the original modem firmware (the modem.bin file that you extracted earlier) to your phone using Odin (use the "phone" button for the upload) or Heimdall (use the "radio" partition for the modem.bin file upload).
9. Reboot the phone normally and your IMEI number will be restored and you will be able to connect to your mobile network again
Good luck and let me know how it goes
Leahcim
Click to expand...
Click to collapse
IMEI restore on SGS 3 (GT-i9300)
ronaldshi said:
i have managed to follow all your steps and managed to get my IMEI back.
when i pressed *#06# i was able to see a series of numbers so i guess i got it right.
but i am still not connected to any network. please help!!
Click to expand...
Click to collapse
Hi there
You need YOUR IMEI number back (which is not 00000... or 0049...) it is the one under your battery.
If you followed all the steps, then it should have worked.
One extra thing that you can try is if you did not flash your original phone firmware (and you only flashed the original modem.bin file) then do this step first.
And then work through the 9 step process, ignoring the step where you flash your original firmware (because you will have already done it).
Good luck and let me know when it works
---------- Post added at 12:16 PM ---------- Previous post was at 12:10 PM ----------
lobird said:
but if this will not fix my phone, can samsung fix it without replacing the motherboard
---------- Post added at 08:36 PM ---------- Previous post was at 08:35 PM ----------
my imei change sudden when i try to unlock my phone with messing the efs folder but i didn't backup it :crying:so now i dont have network
Click to expand...
Click to collapse
Hi there
Good news is that it will work - even if you did not back up your efs folder before you messed with it!
Give it a try and let me know when it is fixed.
Good luck
Procedure not work!
leahcim_za said:
I deleted my IMEI number when flashing roms a few days ago and it was showing as 000000...
I searched everywhere for a recipe of how to restore it and could not find one that would work. The closest that I got was a brilliant post (see link below) describing how to restore the IMEI on a SGS2 i9100. After following this recipe, I was able to restore my IMEI number to 0049 .... which is just as useless as 0000....
It took me a couple of days of research (and HUGE thanks to everybody whose previous research I was able to use) and I finally succeeded in restoring my IMEI using the 9 step process that I describe below. I can't guarantee that it will work and I do not know if it will work on any device besides the SGS3 GT-i9300 (international SGS3), because this is the only device that I have and was able to test the process on.
Links:
Restore IMEI on SGS2: http://forum.xda-developers.com/showthread.php?t=1264021
Download EFS PRO: http://forum.xda-developers.com/showthread.php?t=1308546
Download your original firmware using check fus downloader (http://forum.xda-developers.com/showthread.php?t=1032437&page=18)
You need:
-EFS PRO, a brilliant little program for Windows used to backup / restore the efs folder as well as recover / repair the nv_data*.bin files.
-Windows
-Windows USB drivers
-Rooted SGS3
-Root explorer.apk
-Original phone firmware (actually, you only need the modem.bin file, so once you download your firmware package, you can just extract the modem.bin file).
-Odin or Heimdall
Your phone's IMEI number is stored in the ".nv_data" file in the original shipped efs folder.
Process:
1. make a copy of your EFS folder using root explorer and store it somewhere safe (on your SD card and external SD card should do it).
2. delete the EFS folder from the root of your phone using root explorer.
3. reboot the phone
4. open root explorer and go to the EFS folder (yes, it is still there! The Android OS has generated a new one for us) and delete the following files:
nv_data.bin
nv_data.bin.md5
nv.log
.nv_data.bak
.nv_data.bak.md5
nv_data.bin.bak
and the entire IMEI folder.5.Now go to your backed up EFS folder on your sd card and copy the IMEI folder and the " .nv_data" file (note the dot) to your new EFS folder.
6.Make another copy of the ".nv_data" file in your new EFS folder. Rename one of them to "nv_data.bin" and the other one to "nv_data.bin.bak".
7. Connect your phone to your PC and start up EFS PRO. After your phone has been detected, press the "Repair nv data" button to correct the ownership and permissions.
8. Reboot your phone into recovery mode using the three botton combo and flash the original modem firmware (the modem.bin file that you extracted earlier) to your phone using Odin (use the "phone" button for the upload) or Heimdall (use the "radio" partition for the modem.bin file upload).
9. Reboot the phone normally and your IMEI number will be restored and you will be able to connect to your mobile network again
Good luck and let me know how it goes
Leahcim
Click to expand...
Click to collapse
Thanks a lot for the advice regarding SG3 IMEI restoring, but this prosedure doesn't change IMEI !!!
EFS PRO actions was Ok.
Can you help me? Pleeeeeease.
P.S. I know original IMEI numbers
in step 2 you say efs but delete the folder, but when I do that I reboot and I get a message telling me the whole time the camera is null and void wi fi all the options, it is this?
pd. sorry for my English (I'm using google translate)
leahcim_za said:
Hi there
You need YOUR IMEI number back (which is not 00000... or 0049...) it is the one under your battery.
If you followed all the steps, then it should have worked.
One extra thing that you can try is if you did not flash your original phone firmware (and you only flashed the original modem.bin file) then do this step first.
And then work through the 9 step process, ignoring the step where you flash your original firmware (because you will have already done it).
Good luck and let me know when it works
Click to expand...
Click to collapse
I do not remember my previous version, only the update when I asked him to put kies, I can use this firmware?
I9300BVBLG2_I9300TMUBLG1_TMU
I just do not see the ". nv_data"
Hi,
after flashing a modem, i got a "fake imei", and i can't connect to my provider.
After some search i found a thread to recover:
- copy esf to sd
- format efs
- restart
- copy imei folder and nv_data.bin.bak (from 2010) to nv_data.bin
- restart
i'm still stuck with this imei.
Is there something else to do ?
i tested this process with android 4 samsung, and 2.3.5
do i have to be in the same release than first time i used the phose ? (2.3.3)
thanks for advises/help.
grezdroid said:
Hi,
after flashing a modem, i got a "fake imei", and i can't connect to my provider.
After some search i found a thread to recover:
- copy esf to sd
- format efs
- restart
- copy imei folder and nv_data.bin.bak (from 2010) to nv_data.bin
- restart
i'm still stuck with this imei.
Is there something else to do ?
i tested this process with android 4 samsung, and 2.3.5
do i have to be in the same release than first time i used the phose ? (2.3.3)
thanks for advises/help.
Click to expand...
Click to collapse
No EFS back up? always back up EFS folder.
Try GSII_Repair.
gastonw said:
No EFS back up? always back up EFS folder.
TryGSII_Repair.
Click to expand...
Click to collapse
Hello,
Thanks for your suggestion,
i tryed that yesterday, but as i have no backup how can this solve the problem ?
should i rename something ?
i did the few steps to format and reinstall. but it still the same.
I noticed after flashing the modem, the timestamp changed from 2010 to 2013 on the file nv_data.bin and .md5
i had a .nv_data.bak from 2010 is this the correct one ? (in the efs folder)
this is the one i'm trying to restore, if possible/correct ?
grezdroid said:
Hello,
Thanks for your suggestion,
i tryed that yesterday, but as i have no backup how can this solve the problem ?
should i rename something ?
i did the few steps to format and reinstall. but it still the same.
I noticed after flashing the modem, the timestamp changed from 2010 to 2013 on the file nv_data.bin and .md5
i had a .nv_data.bak from 2010 is this the correct one ? (in the efs folder)
this is the one i'm trying to restore, if possible/correct ?
Click to expand...
Click to collapse
If you tried SGII_Repair I assume you've already tried this and didn't work, right?
If so, try going back to previous MODEM (back EFS folder with HC kTool first).
gastonw said:
If you tried SGII_Repair I assume you've already tried this and didn't work, right?
If so, try going back to previous MODEM (back EFS folder with HC kTool first).
Click to expand...
Click to collapse
""
PS: I restored my phone's firmware to it's original PDA, Phone and CSC, rooted it with CF-Root, and then done this procedures below ""
is this required ?, i was using cyanogenmod since 1.5 years, i don't hav a copy of my original rom.
This is the process i followed.
grezdroid said:
""
PS: I restored my phone's firmware to it's original PDA, Phone and CSC, rooted it with CF-Root, and then done this procedures below ""
is this required ?, i was using cyanogenmod since 1.5 years, i don't hav a copy of my original rom.
This is the process i followed.
Click to expand...
Click to collapse
Not the original ROM, the last modem you used before flashing the one that got you in this mess.
grezdroid said:
Hi,
after flashing a modem, i got a "fake imei", and i can't connect to my provider.
After some search i found a thread to recover:
- copy esf to sd
- format efs
- restart
- copy imei folder and nv_data.bin.bak (from 2010) to nv_data.bin
- restart
i'm still stuck with this imei.
Is there something else to do ?
i tested this process with android 4 samsung, and 2.3.5
do i have to be in the same release than first time i used the phose ? (2.3.3)
thanks for advises/help.
Click to expand...
Click to collapse
where's your EFS folder now?
Yes, Sorry, i was talking about the PS in the other thread, wanted to know if this was required or not.
i did indeed a reverse to xxlq6 modem i was using and tryed other modems, with no luck.
it sseems important file are imei folder and nv_data.bin, i have thoses files in the copy of my efs folder.
grezdroid said:
Yes, Sorry, i was talking about the PS in the other thread, wanted to know if this was required or not.
i did indeed a reverse to xxlq6 modem i was using and tryed other modems, with no luck.
it sseems important file are imei folder and nv_data.bin, i have thoses files in the copy of my efs folder.
Click to expand...
Click to collapse
Okay, so you've got 2 EFS folders, one in your SD card and the other one in system's folder, all same files in each folder, am I right?
the copy i have is a backup i did after the problem.
not sure at this time, i'm thinking to restart fresh, i'll copy /sdcard/efs to /efs and replace.
Then i'll try again gs2_repair to see if i missed something.
Woot working get my imei back and online
many thanks !!!!
backed up with ktool now
http://forum.xda-developers.com/showthread.php?t=1881304
funny installing that modem and using getril, set my imei empty... again
now just changing the ril and my imei is coming back :/
what is the ril/modem to use with JB 4.2.1 ? (country = Belgium)
grezdroid said:
http://forum.xda-developers.com/showthread.php?t=1881304
funny installing that modem and using getril, set my imei empty... again
now just changing the ril and my imei is coming back :/
what is the ril/modem to use with JB 4.2.1 ? (country = Belgium)
Click to expand...
Click to collapse
LS6 didn't work for you?
REMEMBER to BACK UP the EFS folder!
LS8 and LS6 make my imei disparear if i use getril to have the same ril/baseband
if i use ril xxlq6 with the modem LS8, my imei come back (*#06#)
but reception is very poor
i'm using CM10.1 nightly 04022013
now i'm using xxlq6 baseband and ril; it is most of the time full strength, then sometime fall to -130 DB 0 psu
but if i start a call to my second phone, it pass from -130db to full strength
Hello, i have used ktool to restore my imei, but it ereased all my efs folder files, so now it is empty. I have made my imei backup using ktool app, so i have efs.img and efs.tar.gz files.
I have tried to flash stock rom with odin but not only one of them boots, they all get bootloop. My phone only works with cm9 but it has no imei and no network.
So i need these files from efs folder, could any one help with this? Or is it possible to restore them with my back up files?
cH5 said:
Hello, i have used ktool to restore my imei, but it ereased all my efs folder files, so now it is empty. I have made my imei backup using ktool app, so i have efs.img and efs.tar.gz files.
I have tried to flash stock rom with odin but not only one of them boots, they all get bootloop. My phone only works with cm9 but it has no imei and no network.
So i need these files from efs folder, could any one help with this? Or is it possible to restore them with my back up files?
Click to expand...
Click to collapse
A simple copy and paste worked for me using root explorer.
If you have efs back ups:
Delete entire efs file on the root of you phone and reboot. Upon reboot a new efs file will automatically be created.
Copy the efs file back up and place into the newly created efs file at the root of your phone. Reboot into recovery and wipe cache.
This method restored a corrupted efs file on my s3.
alaska_ryder said:
A simple copy and paste worked for me using root explorer.
If you have efs back ups:
Delete entire efs file on the root of you phone and reboot. Upon reboot a new efs file will automatically be created.
Copy the efs file back up and place into the newly created efs file at the root of your phone. Reboot into recovery and wipe cache.
This method restored a corrupted efs file on my s3.
Click to expand...
Click to collapse
I have only two back up files: efs.img and efs.tar.gz, but efs folder should contain much more files.
I delete efs folder in the root and restart phone, but anfter restart it only creates the efs folder which is empty.
cH5 said:
I have only two back up files: efs.img and efs.tar.gz, but efs folder should contain much more files.
I delete efs folder in the root and restart phone, but anfter restart it only creates the efs folder which is empty.
Click to expand...
Click to collapse
Ok so click on efs.tar.gz and there should be the efs file. Copy that and and place into efs file at the root of your phone. Click on 'yes' when it asks if you would like to overwrite the file
alaska_ryder said:
Ok so click on efs.tar.gz and there should be the efs file. Copy that and and place into efs file at the root of your phone. Click on 'yes' when it asks if you would like to overwrite the file
Click to expand...
Click to collapse
I have done this, but after reboot all these files are deleted and efs folder remains empty.
cH5 said:
I have done this, but after reboot all these files are deleted and efs folder remains empty.
Click to expand...
Click to collapse
Ktool must of made a back up an empty folder. Don't know what to tell you. Do you have any files in storage called efs_backup? I think some recoveries or kernels automatically back up the efs file when doing a nandroid. Find the earliest back up and copy and paste.
alaska_ryder said:
Ktool must of made a back up an empty folder. Don't know what to tell you. Do you have any files in storage called efs_backup? I think some recoveries or kernels automatically back up the efs file when doing a nandroid. Find the earliest back up and copy and paste.
Click to expand...
Click to collapse
The back up is made correctly, i open .tar file and there are all these files, but when i copy them into the efs folder in root and reboot phone, these copied files are just gone.
cH5 said:
The back up is made correctly, i open .tar file and there are all these files, but when i copy them into the efs folder in root and reboot phone, these copied files are just gone.
Click to expand...
Click to collapse
I read on some other efs problem threads that flashing some newer firmware (ending with mg4 or something like that) reformats the efs file and you have to flash different firmware in order to fix from back ups. Look into other threads, they might have the proper procedures to fixing efs.
alaska_ryder said:
I read on some other efs problem threads that flashing some newer firmware (ending with mg4 or something like that) reformats the efs file and you have to flash different firmware in order to fix from back ups. Look into other threads, they might have the proper procedures to fixing efs.
Click to expand...
Click to collapse
Trying to flash firmwares and roms with these endings, but the phone doesnt boot, just stucks on samsung logo and repeats animation. It might be because i was installed leaked 4.2.2 xxufme7 firmware so it cant downgrade to 4.1.2 firmware.
cH5 said:
Trying to flash firmwares and roms with these endings, but the phone doesnt boot, just stucks on samsung logo and repeats animation. It might be because i was installed leaked 4.2.2 xxufme7 firmware so it cant downgrade to 4.1.2 firmware.
Click to expand...
Click to collapse
Just a thought are you doing a factory reset between flashes also doing a factory reset with stock recovery will wipe your entire internal sd
Have a look at EFS Pro to restore a tar .
http://forum.xda-developers.com/showthread.php?t=1308546
neilster2020 said:
Just a thought are you doing a factory reset between flashes also doing a factory reset with stock recovery will wipe your entire internal sd
Click to expand...
Click to collapse
This might be my misstake.
By the way, this is solved already. I flashes stock 4.0.4 version and used ktool to restore .img and .tar files, after reboot network came back and all efs folder files were also back, then flashed atock MG6 So now i am on this stock firmware.
But i still cant install leaked version FMU7, it gives me fake IMEI and no network, any ideas?
Problem solved!
**********************
I think my problem happened because a flashed a ROM with MG4 baseband, and then flashed UltimaROM with another baseband which caused my baneband to corrupt.
I tried to flash Stock ROM and install different baseband but non of this worked.
finally I flashed BTU stock ROM (Which comes with MG4) but the problem still here.
Then I installed root, deleted the efs folder and replaced all the files with the files in the backup - restart and everything is working! my IMEI returned to normal.
**********************
Original question
Hello devs,
I have Siyah kernel which auto backup my EFS, i have backup named "efs_28Aug2013-1852.tar.gz"
I want to restore from this backup because I lost my IMEI when I flashed UltimaROM
I renamed it to "efsbackup.tar.gz" and put it in the root of the sdcard
then I started adb shell & run the code
Code:
su
umount /efs
mke2fs /dev/block/mmcblk0p1
mount -w -t ext4 /dev/block/mmcblk0p1 /efs
busybox tar zxvf /sdcard/ efsbackup.tar.gz -C /
I granted ADB shell root access
then i went to recovery and run the command (because I can't run umount /efs while device's running it gives resource busy message)
However when I run the first command "su" in gives me this message
Code:
/sbin/sh: su: not found
so I skipped to the next command
but I get the message
Code:
umount: can't umount /efs: Invalid argument
Please guys any help appreciated
Click to expand...
Click to collapse
Unzip it with a file manager and use a root explorer to replace manually
Sent from my GT-I9300 using Tapatalk 4
.
I've backup my efs with adb but how do you have a file on tar format, i've got a file on .img, it's normal ?
There's about nine different ways to backup the efs, .img is fine but a little on the large side at 20mb. A .tar of the same is only 5mb.
rootSU said:
Unzip it with a file manager and use a root explorer to replace manually
Sent from my GT-I9300 using Tapatalk 4
Click to expand...
Click to collapse
Thank you for your reply, I did as you said but this only changed my IMEI from "Unknown" to the generic IMEI "004999..."
Is there something wrong in the method or my backup may be corrupt
Sent from my Nexus 7 using Tapatalk 2
Read the imei / efs thread in general.
Sent from my GT-I9300 using Tapatalk 4
Thank you again, I read the thread in the past but it looks like it has been updated recently.
I think my problem happened because a flashed a ROM with MG4 baseband, and then flashed UltimaROM with another baseband which caused my baneband to corrupt.
I tried to flash Stock ROM and install different baseband but non of this worked.
finally I flashed BTU stock ROM (Which comes with MG4) but the problem still here.
Then I installed root, deleted the efs folder and replaced all the files with the files in the backup - restart and everything is working! my IMEI returned to normal.
Thank you RootSU for your help.
hey bro,
i am stuck
help me out
- my efs(folder) is blank
- i installed stock with pit file but no help!
- right now my cell is in bootloop!
- it goes to recovery, download mode.
i have efs.tar.gz file and a folder named efs in my ext sd
how do i copy that to int memory?
can't even create a cwm flashable zip file of the same?????
help me bro.....
You are posting in a thread that tells you how to restore an efs backup, how much more could you possibly need?
Go to recovery, factory reset.
Get the phone to boot, unpack the .tar file and follow the instructions in the OP.
boomboomer said:
You are posting in a thread that tells you how to restore an efs backup, how much more could you possibly need?
Go to recovery, factory reset.
Get the phone to boot, unpack the .tar file and follow the instructions in the OP.
Click to expand...
Click to collapse
Dear boomboomer,
i am sorry, but my phone is in "bootloop" how am i suppose to delete the "EFS" ? that s what i am asking!!!!!
i have both efs.tar.gz and extracted folder ready in my ext-sd......
i wonder if somebody can help me with creating a cwm.zip from the .tar file
thanks ....
try to install stock again via odin but this time install a diffrent version (for example if you installed INU this time try INS).. before that factory reset your phone and wipe cache via recovery mode.. don't lose your efs backup it's very important copy it to your PC in case something wrong happens
i already did so
almousawi said:
try to install stock again via odin but this time install a diffrent version (for example if you installed INU this time try INS).. before that factory reset your phone and wipe cache via recovery mode.. don't lose your efs backup it's very important copy it to your PC in case something wrong happens
Click to expand...
Click to collapse
bro, thanks for your help recently i tried cm 10 also but nothing happened.
believe me i tried everything now the only option is left that is
to restore efs backup from efs.tar.gz (which is about 12 MB)
OR
create a cwm flashable zip from the efs folder which is about 22 MB)
OR
take my phone to download mode and try to push whole "efs" folder to the location with help of "ADB"
hello
mikks said:
bro, thanks for your help recently i tried cm 10 also but nothing happened.
believe me i tried everything now the only option is left that is
to restore efs backup from efs.tar.gz (which is about 12 MB)
OR
create a cwm flashable zip from the efs folder which is about 22 MB)
OR
take my phone to download mode and try to push whole "efs" folder to the location with help of "ADB"
Click to expand...
Click to collapse
hello nobody is here to help......??????
mikks said:
hello nobody is here to help......??????
Click to expand...
Click to collapse
Correct this is not a paid for service .
Suggest you take it to a service centre .
know that i did that already....
JJEgan said:
Correct this is not a paid for service .
Suggest you take it to a service centre .
Click to expand...
Click to collapse
thanks for the reply, respect to your reply and interest no disrespect ...
i took that to the center but they failed and by the way they come to me in some cases... so they give me free service...
my phone is in boot loop, i have efs.tar.... can i use phills recovery ????? or can i use someone elses backup... just to boot up my device ...then i'll be good .... i just need to get my device booted up.....