Galaxy_S Unlock jacks up IMEI

Simba501

Senior Member
Feb 2, 2010
3,206
1,137
0
Recently, my line was suspended for "lost/stolen." I called and had it reactivated, but the rep couldn't tell me why it was suspended. There was no balance, I'm the account holder (family account), and there's a passcode on the account. After being asked to confirm the sim number, imei, etc., for the first time, I noticed that my imei was the generic samsung one and not my device's. I had never noticed (perhaps because I never had a reason to look) that they were mismatched. Subsequent, attempted uses of my device resulted in repeated suspensions. It now appears to be due to the generic imei (which AT&T has decided to block). I had to think back because I could not recall modifying anything that could cause such a thing; I've been on one rom for months and had not done anything other than minor theming. Then, it hit me. I had used Galaxy_S Unlock from the market (recommended by several users around here) to sim unlock it. I can confidently attribute the cause to this process because nothing else I've done could interfere with nv_data.bin (imei data in efs). Luckily, I have several EFS backups. However, to this point, I've been unsuccessful in restoring my original IMEI. There are a couple of options: continued attempts to restore original IMEI or return to stock for Samsung to fix. I hadn't quite decided what I'm going to do; my contempt for AT&T may cause me to use this opportunity to jump ship. We'll see.

For those that have used this tool, check your imei congruence (device menu + device sticker under the battery). I'm curious as to if this was just bad luck, or if other people have experienced the same thing.


UPDATE: I decided to send it off to Samsung for warranty repair (got it back 8/1/12).
 
Last edited:
  • Like
Reactions: 4-2ndtwin

Nick281051

Senior Member
May 5, 2010
4,803
1,365
0
Northport, NY
Recently, my line was suspended for "lost/stolen." I called and had it reactivated, but the rep couldn't tell me why it was suspended. There was no balance, I'm the account holder (family account), and there's a passcode on the account. After being asked to confirm the sim number, imei, etc., for the first time, I noticed that my imei was the generic samsung one and not my device's. I had never noticed (perhaps because I never had a reason to look) that they were mismatched. Subsequent, attempted uses of my device resulted in repeated suspensions. It now appears to be due to the generic imei (which AT&T has decided to block). I had to think back because I could not recall modifying anything that could cause such a thing; I've been on one rom for months and had not done anything other than minor theming. Then, it hit me. I had used Galaxy_S Unlock from the market (recommended by several users around here) to sim unlock it. I can confidently attribute the cause to this process because nothing else I've done could interfere with nv_data.bin (imei data in efs). Luckily, I have several EFS backups. However, to this point, I've been unsuccessful in restoring my original IMEI. There are a couple of options: continued attempts to restore original IMEI or return to stock for Samsung to fix. I hadn't quite decided what I'm going to do; my contempt for AT&T may cause me to use this opportunity to jump ship. We'll see.

For those that have used this tool, check your imei congruence (device menu + device sticker under the battery). I'm curious as to if this was just bad luck, or if other people have experienced the same thing.
Hmm chainfires unlock app did say that app uses a more dangerous method, this may be why

Sent from my Sony Xperia Ion
 

Biporch

Senior Member
Mar 4, 2012
266
58
0
Didn't you make a backup as it tells you of the efs?
Mine doesn't match too.

Sent from my SGH-I777 using Tapatalk 2
 

wiithepeng

Senior Member
Sep 20, 2010
143
40
0
Odd cause my IMEI is still the same. I ran Chainfire's tool first and when that didn't work I tried the "more dangerous one"

Sent from my Nexus 7 using xda premium
 

Rrryan2

Senior Member
Dec 5, 2010
585
195
0
My IMEI matches too. Unlocked with the same app, and flashed I don't even remember how many ROMs/kernels/modems before and since unlocking.

I'd want to guess that your IMEI mismatch problem relates not to the unlock app itself but a subsequent flash, perhaps of a stock or stock-based ROM using Odin/Heimdall.
 

Phalanx7621

Senior Member
Jul 17, 2011
4,988
2,255
0
Bethany Beach, Delaware
Since I'm thinking this was an isolated incident and the unlock tool doesn't necessarily break IMEI for everyone, maybe consider changing the name of this thread so people don't get the wrong idea:)

Sent from my SAMSUNG-SGH-I777 using Tapatalk 2
 

Simba501

Senior Member
Feb 2, 2010
3,206
1,137
0
Since I'm thinking this was an isolated incident and the unlock tool doesn't necessarily break IMEI for everyone, maybe consider changing the name of this thread so people don't get the wrong idea:)

Sent from my SAMSUNG-SGH-I777 using Tapatalk 2
I wouldn't exactly call 3/9 people an isolated incident.

Did the same thing to mine i spent hours on the phone with customer care and finally had to get a new sim.
Band-aid solution. This problem will arise again. It's only a matter of time before AT&T's system probably blocks the new sim; the root of the problem is still there (original IMEI is not being reported). Get that fixed bro. Samsung and Mobile Tech Videos (reputable) are two options.

Hm, if AT&T somehow protected your account in some way that will override the mechanism that led to the block, I guess you'd be safe. But it sounds like they only gave you a new sim, in which case, you're still at risk in the future. I'd want to get that IMEI corrected.
 
Last edited:

drevans

New member
Apr 22, 2013
4
0
0
Resurrecting this old thread as I was searching for an answer. I lost my IMEI code when attempting to use this app, the phone is Samsung Galaxy S locked to Orange (EE) in the UK.

Restoring the EFS files the app made reinstated the IMEI number correctly, but obviously still stuck on Orange. Tried a couple of times no dice.
 

Phalanx7621

Senior Member
Jul 17, 2011
4,988
2,255
0
Bethany Beach, Delaware
Resurrecting this old thread as I was searching for an answer. I lost my IMEI code when attempting to use this app, the phone is Samsung Galaxy S locked to Orange (EE) in the UK.

Restoring the EFS files the app made reinstated the IMEI number correctly, but obviously still stuck on Orange. Tried a couple of times no dice.
You do have a galaxy s ii i777 yes?
 
Our Apps
Get our official app!
The best way to access XDA on your phone
Nav Gestures
Add swipe gestures to any Android
One Handed Mode
Eases uses one hand with your phone