[Q] LG Thrill P925 IMEI Problems - LG Thrill 4G

Ok I have this problem. Some how the imei number programmed in the phone got erased. I think thats why my sim never register to any network or let me change any settings. But whenever I flash the kdz my imei is right in the logs but when i use *#06# it dont display my imei its blank just in the setting. I cant make calls or select a band when I use *#*#4636#*#* So now im looking for a way to program my imei to my phone. I know how to do this with cdma phones but not GSM. So anyone know of any info It will be greatly appreciated. I think this happen because of the previous owner flashed the NV

Anyone who is experienced in fixing this around? I've got the same issue as well.

I think I found a solution. I found an post about someone who had a similar problem here (http://forum.xda-developers.com/showthread.php?t=1089039) I searched my phone for an /efs folder but haven't found anything. So either this is my problem or I don't know where to look. Do anyone have a efs backup?

calcappone said:
I think I found a solution. I found an post about someone who had a similar problem here (http://forum.xda-developers.com/showthread.php?t=1089039) I searched my phone for an /efs folder but haven't found anything. So either this is my problem or I don't know where to look. Do anyone have a efs backup?
Click to expand...
Click to collapse
Yeah. That's for a Samsung Phone. I know this because I used to develop for one.
I have searched extensively for an /efs partition and have failed so far.
Sent from my Samsung Galaxy S II

Yeah I know but I was thinking that the basic file system for all androids are alike. Lestat you said you searched the phone for an \efs partition and couldn't find it? I may be wrong. Is there any way to get to the nv items on the phone? That way I could try to program my imei. I wish i could just use qxdm. Is there any software likethat for gsm phones?

Hmm. I currently don't know. I can try looking.

No IMEI
Hi, have you checked your APNs? I had the exact same problem before, my problem was solved by putting back the 3 default APNs that came on the phone and adding my carriers APN at last.

Whenever I try to change the APN it says "reorganizing internal process" then kicks me out. the same thing happens when i try to dial a number. I tried flashing kdz v10e, v10k, v20a, v20c, v21a. I tried flashing .bin for v10e and v10k. I tried flashing BB for froyo and gingerbread. I tried APN manager to make an apn to no avail. I tried using getRIL to make sure my radio was correct and it wouldn't detect my phone. Says it's unsupported but right below that it has P925 on the list of supported phones. So now I back to stock trying to get into the efs to program the right IMEI. One thing though when I flashed v21a it would let me into the apn settings. One I input the settings and try to save them then it say "Reorganizing Internal Process" and kicks me out. I would then reboot and try to go back to the apn but it's not saved. On another note v21a will not let me into the apn settings at all unless I *#*#4636#*#* and gointo phone info an change MPDP to disabled

i got the same issue... no IMEI, any new idea?

i have attempted to search for a solution to your problem and found a guide that might be able to help you? i dont understand it much but maybe it will help?
http://wireshock.com/guide-on-restoring-imei-number-after-losing-the-original-part7backup-file-using-gfree-on-mytouch-4g/

IMEI
If any have acces to fully working phone and it is rooted, know how to use ADB and have 2.3.5 android please do this (bold lines):
adb shell
$ su
su
# dd if=/dev/block/platform/mmci-omap-hs.1/by-name/nv1 of=/sdcard/nv1.img
dd if=/dev/block/platform/mmci-omap-hs.1/by-name/nv1 of=/sdcard/nv1.img
256+0 records in
256+0 records out
131072 bytes transferred in 0.024 secs (5461333 bytes/sec)
# dd if=/dev/block/platform/mmci-omap-hs.1/by-name/nv2 of=/sdcard/nv2.img
dd if=/dev/block/platform/mmci-omap-hs.1/by-name/nv2 of=/sdcard/nv2.img
256+0 records in
256+0 records out
131072 bytes transferred in 0.024 secs (5461333 bytes/sec)
It will give you 2 files on sdcard (nv2.img and nv1.img) and please send me files to compare with my broken files. Maybe I can find solution to fix this IMEI sh*t.
On mine nv2 partition IMEI is strored in 3 places and nv1 partition seems empty.
I will send you email in PM to send me files. Dont post files in public, becouse IMEI is stored i them.
Dont use tutorial in previus post becouse it will brick your phone. On partition 7 in our phone is system not EFS, NV or whatever is called. NV1 is partition 2 and NV2 is partition 3 on our phones.
You can open and edit nv1.img and nv2.img in hex editor.
Sorry for bad english!

iodak said:
If any have acces to fully working phone and it is rooted, know how to use ADB and have 2.3.5 android please do this (bold lines):
adb shell
$ su
su
# dd if=/dev/block/platform/mmci-omap-hs.1/by-name/nv1 of=/sdcard/nv1.img
dd if=/dev/block/platform/mmci-omap-hs.1/by-name/nv1 of=/sdcard/nv1.img
256+0 records in
256+0 records out
131072 bytes transferred in 0.024 secs (5461333 bytes/sec)
# dd if=/dev/block/platform/mmci-omap-hs.1/by-name/nv2 of=/sdcard/nv2.img
dd if=/dev/block/platform/mmci-omap-hs.1/by-name/nv2 of=/sdcard/nv2.img
256+0 records in
256+0 records out
131072 bytes transferred in 0.024 secs (5461333 bytes/sec)
It will give you 2 files on sdcard (nv2.img and nv1.img) and please send me files to compare with my broken files. Maybe I can find solution to fix this IMEI sh*t.
On mine nv2 partition IMEI is strored in 3 places and nv1 partition seems empty.
I will send you email in PM to send me files. Dont post files in public, becouse IMEI is stored i them.
Dont use tutorial in previus post becouse it will brick your phone. On partition 7 in our phone is system not EFS, NV or whatever is called. NV1 is partition 2 and NV2 is partition 3 on our phones.
You can open and edit nv1.img and nv2.img in hex editor.
Sorry for bad english!
Click to expand...
Click to collapse
i tried that procedure with a working imei thrill from a friend and mine, and restored the "good" imei back to mine with no luck

update: i tried returning to stock froyo and to my surprise it had the imei the first time it booted, after a couple minutes. Then when I put my sim on and turned it onagain the imei was gone
I just flashed the P920´s v10k via Lg Software updater, made the wipes (all of them in the 3e recovery) and the imei is back there.. don´t know if it´s temporary or permanent, but i´m able to make calls, and have rebooted twice, i lost the 3G 850mhz but hey got a useful phone for now!
You can get the v10k HERE
New update... after third reboot lost the IMEI again... but hey that´s a start
Another update: flashed v20p using the .kdz and now i´m on official ginger with IMEI... let´s see how long it sticks...

[[ Cold ]] said:
update: i tried returning to stock froyo and to my surprise it had the imei the first time it booted, after a couple minutes. Then when I put my sim on and turned it onagain the imei was gone
I just flashed the P920´s v10k via Lg Software updater, made the wipes (all of them in the 3e recovery) and the imei is back there.. don´t know if it´s temporary or permanent, but i´m able to make calls, and have rebooted twice, i lost the 3G 850mhz but hey got a useful phone for now!
You can get the v10k HERE
New update... after third reboot lost the IMEI again... but hey that´s a start
Another update: flashed v20p using the .kdz and now i´m on official ginger with IMEI... let´s see how long it sticks...
Click to expand...
Click to collapse
What software do you use to flash .kdz files? Do you use .dll files ?

Related

restore nv-data.bin

So. my IMEI is jacked up. I made a copy of /efs when I got the phone but instead of making an archive I did a straight copy, Seems like the fat filesystem owned the permissions.
I am trying to restore from that backup but I am not having luck. People say you can just drop those files into place but it seems that they are replaced after every reboot. What do the permissions need to be? I see that ownership needs to be 1001:1001. Also, can I do this on JH7 with any success?
If your flashed back to stock OTA JH7? Shouldn't need to have to restore them.
Only need to input that (if Android ID doesn't work) - you should be able to copy it using ADB shell and SU.
cp /dir/foo /dir/newfoo
I used the CWM flashable zip to get back to JH7, didn't use odin (im not at home yet, and this was eating away at me at work, heh).
Ill flash back with odin and then see where that gets me. For my own sanitys sake, could you tell me what the permissions are on your files in /efs?
i have a fix that worked for me posted in the dev section
bames said:
i have a fix that worked for me posted in the dev section
Click to expand...
Click to collapse
Hmm..my product id is correct (...AATT). Maybe my current files are only half borked. Ill try restoring to jf6 with odin and see where I get. Thanks for the reply
z28james said:
Hmm..my product id is correct (...AATT). Maybe my current files are only half borked. Ill try restoring to jf6 with odin and see where I get. Thanks for the reply
Click to expand...
Click to collapse
once in jf6 if your imei isn't corrected then delete everything but the nv_data.bin and .nv_data.bak.md5.
use android terminal emulator to execute following (must have busybox installed)
su
busybox chown 1001:1001 /efs/nv_data.bin
reboot
avgjoegeek said:
If your flashed back to stock OTA JH7? Shouldn't need to have to restore them.
Only need to input that (if Android ID doesn't work) - you should be able to copy it using ADB shell and SU.
cp /dir/foo /dir/newfoo
Click to expand...
Click to collapse
fyi android id is different than the device id. Device ID = IMEI.
I see my problem, the efs directory I have is from my OLD captivate. Arrrg....I have no backup of my current /efs. The random nv_data.bin it creates has the correct product code already.
There must be something in the phone that knows the imei as this is why it was not accepting my dropped in files (the files from my old phone).
Ah well...ill use it till ATT blocks the test IMEI "lose" mine and go get a refurb as I have insurance.
FYI, the stock original firmware does not create those .bak files from what I could see. I bet your files had jacked product IDs but perhaps the part that went with your IMEI was still intact. This would be why my phone wont accept my old phones nv_data.bin?
once your in stock
run the terminal emu commands you should have baks once your system reboots.
I can delete my baks
run the term commands reboot and they will generate again.
if you have both bin.md5 and bak.md5 delete the bin and run terminal commands.
bames said:
once your in stock
run the terminal emu commands you should have baks once your system reboots.
I can delete my baks
run the term commands reboot and they will generate again.
if you have both bin.md5 and bak.md5 delete the bin and run terminal commands.
Click to expand...
Click to collapse
None of those files get generated for me or exist. If I remove everything, a generic nv_data.bin and .imei get created. Thats it. If I copy over the files from my old captivate, I believe they do get created but since the IMEI in that file does not match whatever is being checked in the phone, new files are created anyways.
I suppose nobody as of now knows how to generate the string that is in the nv_data.bin based on an IMEI so it seems that I am out of luck.
Perhaps some shady place in town can help me repair the IMEI or something
I ended up calling Samsung today. I described the problem (damaged IMEI) and they sent me a pre-paid shipping label to send it off to Plano TX to have them take a look (i'm in Austin).
I will let you guys know how this turns out.
My phone is on its way back to me. They ended up swapping the mainboard under warranty.
I suppose if you have a damaged IMEI and can deal with using an old phone for a week, consider sending it over to samsung.
did you have to pay for new mainboard? cause i got the same problem but i am not the orginal owner for the phone.
Jeez, that's wild. What is the correct way to go about backing up the necessary information while the phone is still stock? Planning on rooting (but not unlocking) my gf's Captivate and want to make sure I leave a proper trail of breadcrumbs.
Phateless said:
Jeez, that's wild. What is the correct way to go about backing up the necessary information while the phone is still stock? Planning on rooting (but not unlocking) my gf's Captivate and want to make sure I leave a proper trail of breadcrumbs.
Click to expand...
Click to collapse
It was no cost. They could see based on the IMEI that it was still in warranty. My mistake is I forgot to make a backup of /efs. If you make a backup before doing the OTA update, the unlock code in in clear text
z28james said:
It was no cost. They could see based on the IMEI that it was still in warranty. My mistake is I forgot to make a backup of /efs. If you make a backup before doing the OTA update, the unlock code in in clear text
Click to expand...
Click to collapse
So just back up that efs folder and that's it? Anything else?
This phone was purchased used on Craigslist so I don't there's any warranty remaining. It's a 1007 so it's older...
Phateless said:
So just back up that efs folder and that's it? Anything else?
This phone was purchased used on Craigslist so I don't there's any warranty remaining. It's a 1007 so it's older...
Click to expand...
Click to collapse
Well, the warranty period is a year and so since its been less than a year since the captivates release, you should be good. It would seem the only way it would be out of warranty would be if samsung for some reason deemed it to be at some point. Im sure you could call samsung with the IMEI and verify.
In my case, my product ID had become damaged. My problem is although I had a backup of /efs, it was for my first captivate, not my current. I deleted /efs and moved the backup into place. Seeing that it was the nv_data.bin for some other phone with another IMEI (the IMEI is encrypted inside that file) it instead replaced the files with a generic set of files and the dreaded test IMEI.
Since nobody had a good way to write the IMEI to that file as it expects, I was SOL.
If I could do it again, I would make a .99 cent jig (I did this using a wonderful thread here labeled something like "make a jig without cutting up USB cable) which gets you into download mode if odin or something soft bricks your phone, root, make a backup of /efs and then take a nandroid backup. I THINK I remember reading that sgstools can backup /efs for you but in the sticky there is a method on how to make a .tar of /efs (good as this will retain permissions/ownership as if you straight copy them to the sd card with fat32, the filesystem does not understand linux permissions and blows them away).
Master-Clear did the trick 4 me
OP I had the same exact same problem here. I spent many hours looking for a fix, N/G, nothing I tried would work. Didn't want to go to AT&T so I took a big chance and went into the efs folder and started deleting files one at a time. When I was through the efs was empty, did this with Root Explorer. When I did a reboot I wound up with a different IMEI, had NO data connection, NO APN, but wifi worked fine. I then did a factory reset from CW which did nothing, still no data connection. More time down so I loaded up ODIN3 One-Click and did a Master Clear. This was the last thing I was going to try before a trip to your friendly AT&T store. Well low and behold after the Master Clear and a reboot everything is back to normal! My IMEI is correct, APN is back, 3G working, wifi working. TITS! What a rush!
TommyZee said:
OP I had the same exact same problem here. I spent many hours looking for a fix, N/G, nothing I tried would work. Didn't want to go to AT&T so I took a big chance and went into the efs folder and started deleting files one at a time. When I was through the efs was empty, did this with Root Explorer. When I did a reboot I wound up with a different IMEI, had NO data connection, NO APN, but wifi worked fine. I then did a factory reset from CW which did nothing, still no data connection. More time down so I loaded up ODIN3 One-Click and did a Master Clear. This was the last thing I was going to try before a trip to your friendly AT&T store. Well low and behold after the Master Clear and a reboot everything is back to normal! My IMEI is correct, APN is back, 3G working, wifi working. TITS! What a rush!
Click to expand...
Click to collapse
Do you know where I can find this ODIN3 one-click and how to do a master clear?

[Q] IEMI & CyanogenMod 7 problem

Hey folks. I'm having a hell of a time here - I noticed that after the (fresh) installation of cm7 and updating to the latest nightly, my imei changed to 004999010640000.
Now, I have two backups, and went ahead and copied nv_data.bin, from when I originally got the phone, to /efs and changed the permissions to 1001:1001. After a reboot, imei is still 004999010640000.
I went ahead and flashed back to JL2, at which point my iemi was showing correctly, so I flashed speedmod, flashed cm7-kernel, rebooted, installed the cm7 update, and now my iemi is back to 004999010640000.
It doesn't seem to have any negative effects, my phone works as it usually does, but it is driving me nuts why my iemi is buggered up under cm7, and why restoring the original doesn't fix it. Is this a cm7 issue?
TIA
CM7 copies the efs folder and reads it from somewhere else. That's why restoring it to original place didn't do anything. Don't know why it changed it.
Yeah I started poking around the initial flash zip and noticed that all efsbackup.sh does it copy the contents of /efs to /sdcard/backup/efs.
I figured that they were keeping /efs because of
Code:
/dev/block/mtdblock4 on /efs type yaffs2 (rw,relatime)
showing up when viewing mounts...
Still having the problem... im hoping someone here can offer up some suggestions.
Sent from my GT-I9000 using XDA App
EFS backup post somewhere on the forum its a topic thats been well covered.
Due to flashing wiping efs .
One post is .
http://forum.xda-developers.com/showthread.php?t=881162
jje
JJEgan said:
EFS backup post somewhere on the forum its a topic thats been well covered.
Due to flashing wiping efs .
One post is .
http://forum.xda-developers.com/showthread.php?t=881162
jje
Click to expand...
Click to collapse
Thanks for the link, but it doesn't relate to my problem. The edits to nv_data.bin in that thread relate to changing the product code back to a proper AT&T product code on the captivate. I have a BMC i9000m, and an original (and proper) nv_data.bin from my stock phone when purchased.
The issue is when I copy my proper nv_data.bin to /efs, set proper permissions and reboot, it reverts back to a buggered IEMI according to settings -> status in CM7. I'm looking to find how how exactly CM7 handles /efs, and if it is CM7 specifically that is overwriting my nv_data.bin or if something else is at work.
Ah, finally figured it out. After seeing what nv.log was saying and thanks to zacharias over on the cm forums for tipping me off that just restoring nv_data might not work without everything else in /efs. I transferred my efs backup from windows to my ubuntu vm, set the permissions and made a tarball. Transferred that to my device, extracted the tarball, rebooted and poof, it worked. As this was a complete /efs backup and not just nv_data.bin, I'm guessing there was another file that the phone needed, despite what some of the guides say.
I still wish I knew what caused the phone to reject the nv_data.bin (as per nv.log)... I did delete the nv_data.bin.md5 because I read elsewhere that the phone would simply rebuild a new hash on boot, but it obviously didn't work. I wonder if it had something to do with that.
Oh well, it works now... thanks everyone!

correct IMEI, but NO EFS folder --> no service

Hello guys, a friend of mine just gave me his phone because "it has got a problem" he said. He just flashed a ROM from CMW, but he noticed that there was no service. the problem is that, if I dial *#06# there is the CORRECT IMEI, but if I search for the EFS folder, there is no trace of it. how is this possible? the IMEI shown in the phone also corresponds to the IMEI wrote on the back of the phone... so it's clearly correct. how this could be possible? I tried adding manually the EFS folder using root explorer (and mounting it as R/W), but after the reboot the phone automatically delete the folder I created.. any idea? thank you!
blak24 said:
Hello guys, a friend of mine just gave me his phone because "it has got a problem" he said. He just flashed a ROM from CMW, but he noticed that there was no service. the problem is that, if I dial *#06# there is the CORRECT IMEI, but if I search for the EFS folder, there is no trace of it. how is this possible? the IMEI shown in the phone also corresponds to the IMEI wrote on the back of the phone... so it's clearly correct. how this could be possible? I tried adding manually the EFS folder using root explorer (and mounting it as R/W), but after the reboot the phone automatically delete the folder I created.. any idea? thank you!
Click to expand...
Click to collapse
Look in My Android Solutions
But First powerdown, pull out Battery, SIM CARD, and EXT.SD card, press power button for a minute, than powerup without SIM and Ext.SD Card, after flashing and reboot , insert them back
Tips before Flashing:-
Backup all your important files, contacts, SMS, game data, images etc to PC or Ext SD card. or make Nanadroid Backup If you have CWM
Backup your EFS Folder to PC or Ext SD card
Enable USB Debugging on Phone. Touch menu> Settings> Applications> Development>
Charge your battery to more than 50% before you attempt any sort of flashing.
Disable Samsung KIES when using Odin. Kill Kies.exe, KiesTrayAgent.exe, & KiesPDLR.exe using Task Manager on PC
Use only ROM and solution for your model and Wipe x3
nothing worked for me.. I tried to flash an earlier version of android, gingerbread, and the EFS folder was recreated but was incomplete. there were no "imei" folder into efs folder, and also there were no nv_core.back files, ecc... despite this, the IMEI number was shown correctly in the phone, but no signal/data... :S
blak24 said:
nothing worked for me.. I tried to flash an earlier version of android, gingerbread, and the EFS folder was recreated but was incomplete. there were no "imei" folder into efs folder, and also there were no nv_core.back files, ecc... despite this, the IMEI number was shown correctly in the phone, but no signal/data... :S
Click to expand...
Click to collapse
Have you tried restoring the original firmware and checked? If not you should do that.
http://forum.xda-developers.com/showthread.php?t=1102881
:fingers-crossed:
no network service issue with jelly bean
I have a similar issue here.
First of all I flashed usin this guide:
thehelptimes.com/install-jelly-bean-on-galaxy-s-i9000-how-to-official-rom-android-4-1
provider is congstar (T-Mobile reseller)
*#06# gives me the correct IMEI
/efs folder exist
/efs/imei too
I tried killing the nv_data.bin in order to have the phone recreate it. That happened, now the phone asked for a pin at reboot but the pin doesn´t get
accepted. It also doesn´t get locked after 3 attempts. It just doesn´t get accepted.
Then I noticed that the rights of the nv_data.bin are different than the other files. I changed that but it got changed back after reboot and the pin still isn´t accepted.
I have no idea whats wrong. Next attempt back to gingerbread :-/
EMnEL said:
Have you tried restoring the original firmware and checked? If not you should do that.
http://forum.xda-developers.com/showthread.php?t=1102881
:fingers-crossed:
Click to expand...
Click to collapse
yep I tried restoring gingerbread, and, as I said, the phone created the efs folder, but it was incomplete... there were no IMEI folder, other folders were missing, and there were NO nv_data.bin files. I tried reflashing jelly bean and the efs folder was, again, completely missing...
Alright, I am gone back to XJVP but this wasn´t much help.
No signal either.
IMEI still shown by dialing *#06#
as of forum.xda-developers.com/showpost.php?p=26827676&postcount=4512
I need to get into root to kill the efs folder.
So I am back to XXJVU (gingerbread) now to get it rooted.
Before root there is still no network yet but I still can display the IMEI 3547.... (which is listed in the settings too).
Alright now I am going to root it. Hope this helps somehow.
I have the strong feeling that this phone ends up as a mp3/mp4 player
UPDATE....
- Alright, according to this I better not kill the efs by ODIN ? I didn´t yet. forum.xda-developers.com/showthread.php?t=1114958
- I checked the efs folder and noticed it is pretty much holding the same content as
in an efs offered for download "i9000 358001043596739 efs.rar" at 199.91.153.60/pa6q9c9bboog/eyyse638dh3kncn/i9000++358001043596739+efs.rar
So it looks pretty much like it should, I can see my perfect IMEI but it still doesn´t work. I am lost. No clue.
Back in my I9003 the SIM just works perfect so it is obviously not an issue of the SIM
UPDATE 2...
- flashed back to XXJP1 Froyo which was a bad idea now the IMEI is empty - F**K!
- going back to XXJVU now
UPDATE 3...
- Back to XXJVU still no signal however it detected at least T-Mobile at boot and gave me a radio box to select T-Mobile.
Sometimes the signal strength shows one bar (two bars when I am going to the window that points in direction of the sender)
though it should be fairly more here as other phones proof. No matter what that means anyway it says there is no service.
UPDATE 4...
- Compared the mobile settings with the i9003 and noticed that the i9003 shows EDGE, the i9000 GPRS
Alright, I got it back to GT_I9000_XXJQ3_XXJPY_DBTJS2 and made an official upgrade to the latest stock via KIES then. Nothing better.
I assume thise phone got a hardware defect then. Even though it doesn´t seem too logical

[Q]I9000 baseband processor problem

My problem goes like this:
On my I9000 I had the internal memory dead issue. Tried everything, nothing worked. Tried the external sd solution, worked but got my SD gone bad after a couple of days. So I started searching for a mainboard with the memory ok so I can swap. Found a cheap one that it's owner told me he tried something and got it's baseband processor gone bad. After checking it, I saw that SMD capacitor in the attachement had been altered bad. The board booted up, only thing was the IMEI was null, not even 0000000 and baseband was unknown So, I tought it is much easier to replace one SMD not the internal memory chip. I did that with the SMD of my mainboard, that with the internal memory bad. The thing is that mine said made in Taiwan, the one with the baseband problem said made in China, so the value on the SMD was different. But it worked. The board booted ok, I now have baseband but the IMEI is gone. I have the stock Android IMEI 0049xxxx . I tried every method I could find to write back the original IMEI, but it failed. Even with NS-PRO software. I don't have a problem with the network, I can use the phone properly, the market and everything but I just can't have a proper IMEI. So it occurred to me that it can be a problem with the baseband procesor because of the SMD.
My question is: Is there any way I can check that? I know the IMEI it's hardcoded, so with original firmware the problem would have been to resolve by itself. Is there any way to JTAG or something and try to write the IMEI in the processor? I don't care about writing another IMEI, I am aware that is illegal, I just want to have a proper IMEI. I have access to a few service box's, including NS-PRO.
Thanks in advance and sorry for any language mistakes
RedFox200 said:
I know the IMEI it's hardcoded
Click to expand...
Click to collapse
I'm no expert but maybe I can give some clues. I'm not sure the IMEI is only hardcoded.
Code:
adb shell
$ su
# cd /efs
# ls -l
...
-rwxrwxrwx radio radio 2097152 2013-08-16 01:42 nv_data.bin
-rwxrwxrwx radio radio 32 2013-08-16 01:42 nv_data.bin.md5
...
These binary files should contain the IMEI "somewhere".
Some people report that removing those files will get the system recover them with the original IMEI (make a backup before!!!). Check this thread.
Also check that you don't have any baseband/RIL issue. Use GetRIL.
As a last resort, you may try to get the IMEI back from your phone purchase bill, inject it in nv_data.bin and get the system recognize it.

[Q] i8190 IMEI NULL/NULL

Hello,
got the same Problem like alot others. Wrong flashing and the complete EFS was destroyed.
Now i go back to Stock, rebuild the Baseband and the Counter is 0. But still have IMEI NULL/NULL
I read now alot of posts in the Net and tryed a lot but nothing helped.
So my Question is, is there really a solution to build the IMEI back to the Original one if you completly lose the original
EFS Folder? Or do i need to get it to technican to get it back with a Box?
I tryed IMEI Changer App but this one doesnt work on my i8190.
If there is another way to fix this, would be grate to get a but of Help.
Thank you in advance.
So i try to change the IMEI with ALP. But ALP directly gets an Read Error while try to get the IMEI.
Is there a File i can put in and change it with ALP to get back my IMEI?
I had the same problem when i was on my SGY. Just reflash the rom through odin and fix permissions. ??
There is no bad choises, only bad results.
SGS III Mini
tenshi_xp's PAC Rom RC-3
KitKat 4.4.4.
Hi,
thank you for your Answer. But i already reflashed Stock Rom all things are back, i just miss the IMEI File or Area. Saw on the net there are IMEI Folder to flash with ODIN
so i can change it with ALP. But most of the Sites or Files or deleted, maybe false and Viruses, i dont know.
My Problem is that my complete EFS Folder was lost, no Backup nothing. With different Flashes and Stuff i got it back with Baseband, CSC and so on. Just my IMEI tells
me NULL/NULL and ALP cant get it, because this Part isnt available anymore
Can you tell me Stockrom or something i can try? Need something for an open German i8190.
Best Regards
guzzzi0 said:
Hi,
thank you for your Answer. But i already reflashed Stock Rom all things are back, i just miss the IMEI File or Area. Saw on the net there are IMEI Folder to flash with ODIN
so i can change it with ALP. But most of the Sites or Files or deleted, maybe false and Viruses, i dont know.
My Problem is that my complete EFS Folder was lost, no Backup nothing. With different Flashes and Stuff i got it back with Baseband, CSC and so on. Just my IMEI tells
me NULL/NULL and ALP cant get it, because this Part isnt available anymore
Can you tell me Stockrom or something i can try? Need something for an open German i8190.
Best Regards
Click to expand...
Click to collapse
Our IMEI number isn't saved in /efs partition/folder. It's saved in mmcblk0p9 partition which take up to 1MB. The efs partition (/efs>imei folder) only contains the IMEI key code to access the IMEI number in mmcblk0p9 path. If your IMEI key code got wiped and you didn't make a backup of your efs partition, then you will (unfortunately) never see your IMEI again
BTW : Does WiFi, Bluetooth etc. works or not?
EDIT : I found a interesting therad for you http://forum.xda-developers.com/showthread.php?t=2755787. Maybe you can use this efs backup from this user and change the IMEI to your original one.
xXPR0T0TYPEXx said:
Our IMEI number isn't saved in /efs partition/folder. It's saved in mmcblk0p9 partition which take up to 1MB. The efs partition (/efs>imei folder) only contains the IMEI key code to access the IMEI number in mmcblk0p9 path. If your IMEI key code got wiped and you didn't make a backup of your efs partition, then you will (unfortunately) never see your IMEI again
BTW : Does WiFi, Bluetooth etc. works or not?
Click to expand...
Click to collapse
Yes all other Services are working WiFi and BT. Just the IMEI Numbers are gone.
But if its possible to recreate the Folder and File i think its possible to change the IMEI Number with APS to the old one from the Mobilphone.
But i can get them back if i recover with a OctupsBox or how this boxes are calling?!
guzzzi0 said:
Yes all other Services are working WiFi and BT. Just the IMEI Numbers are gone.
But if its possible to recreate the Folder and File i think its possible to change the IMEI Number with APS to the old one from the Mobilphone.
But i can get them back if i recover with a OctupsBox or how this boxes are calling?!
Click to expand...
Click to collapse
Check my edited post mate
xXPR0T0TYPEXx said:
Check my edited post mate
Click to expand...
Click to collapse
Thank you. Will try this when im back at Home. I will give Feedback if it was possible.
When try to install this with CWM i get an Installation aborted
Isnt there a complete Stock Rom with Partition file and everything needed?
guzzzi0 said:
When try to install this with CWM i get an Installation aborted
Isnt there a complete Stock Rom with Partition file and everything needed?
Click to expand...
Click to collapse
There is an alternative method. You can flash this efs.img (which you find in the zip file) with terminal emulator which needs ROOT access.
1. root your device and download terminal emulator from Google play store.
2. Copy the efs.img to your internal storage and open terminal emulator.
3. After open terminal emulator type su to give root access, (your supperuser app asks for root access, confirm with yes)
4. Type/Copy this code : dd if=/storage/sdcard0/efs.img of=/dev/block/mmcblk0p11 in terminal emulator and press "enter"
5. Now your efs partition got overwritten with the efs.img
BEFORE!! you start this method, backup your "current" efs folder by type in terminal emulator : dd if=/dev/block/mmcblk0p11 of=/extSdCard/EFS.img
Please do this at your own risk!
xXPR0T0TYPEXx said:
There is an alternative method. You can flash this efs.img (which you find in the zip file) with terminal emulator which needs ROOT access.
1. root your device and download terminal emulator from Google play store.
2. Copy the efs.img to your internal storage and open terminal emulator.
3. After open terminal emulator type su to give root access, (your supperuser app asks for root access, confirm with yes)
4. Type/Copy this code : dd if=/storage/sdcard0/efs.img of=/dev/block/mmcblk0p11 in terminal emulator and press "enter"
5. Now your efs partition got overwritten with the efs.img
BEFORE!! you start this method, backup your "current" efs folder by type in terminal emulator : dd if=/dev/block/mmcblk0p11 of=/extSdCard/EFS.img
Please do this at your own risk!
Click to expand...
Click to collapse
Hello,
the Problem is this .ZIP File isnt available anymore on MEGA Hoster
guzzzi0 said:
Hello,
the Problem is this .ZIP File isnt available anymore on MEGA Hoster
Click to expand...
Click to collapse
Wait mate. I will upload this efs.img...
guzzzi0 said:
Hello,
the Problem is this .ZIP File isnt available anymore on MEGA Hoster
Click to expand...
Click to collapse
Here the ZIP file. It's not flashable, just unzip it and flash it with terminal emulator
Im sorry but this didnt helped. I think i really need all Parts back to re-partition + Bootloader and all other stuff to get it back.
But i think to send it to a shop to get it back into life.
Many thanks for your Help and merry Christmas and happy new Year
Best Regards
guzzzi0 said:
Im sorry but this didnt helped. I think i really need all Parts back to re-partition + Bootloader and all other stuff to get it back.
But i think to send it to a shop to get it back into life.
Many thanks for your Help and merry Christmas and happy new Year
Best Regards
Click to expand...
Click to collapse
Yes it's better to send it back to Samsung center
Merry Christmas and happy new year too

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