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Galaxy s 4g corrupted imei

Hi all
I bought a galaxy s 4g from ebay usa, shipped it to my friends place in new jersey who delivered it to me in india.
Later I found out that the phone has corrupted imei due to which I cant register it to any network here in india. I tried searching for recovering the imei but all in vain. So any of u ever been to this situation and come out of it, plz share what method u used to recover it.
And if anyone one know any solution plz share it.
Thanks
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I bet your seller tried to mess with trying to unlock it. Am still new with this phone so i dont know if i will bemuch help. Are u rooted?
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There is another thread around here starring a few solutions. I think the one that works for most is to pull the battery for ten minutes or more.
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Yup I am rooted .
Can u help me find the thread that contains the solution
I found out that there are some tool which can repair the imei spt box and z3x.
Had anyone tried them before.
Plz guys help me out
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Check out this thread in our Q&A Section.
[Q] Imei corrupt... how to fix it?
http://forum.xda-developers.com/showthread.php?p=12807550
I hope this Helps.

I finally able to recover my imei.
All thanks to odia. The guy is a genius and genuine. he write a new nv_data file with my imei and that actually works.once again thanks to him.
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Can anyone help restore my IMEI on my Tmobile Galaxy S3?

Guys?
Yesterday I flashed newest version of freeGSM update 5 after that I lost my IMEI I started reading and unfortunately I did not back up my EFS folder now I cannot find my.. Nav_data file which I'm guessing I need to restore.... Please help I have about a month with the phone..
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Jarule51082 said:
Guys?
Yesterday I flashed newest version of freeGSM update 5 after that I lost my IMEI I started reading and unfortunately I did not back up my EFS folder now I cannot find my.. Nav_data file which I'm guessing I need to restore.... Please help I have about a month with the phone..
Sent from my SGH-T999 using xda premium
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did you get it fixed? i lost my iemi too

IMEI

This may be another stupid question.
But is there any update on the IMEI? Also is the only way to back up the IMEI from the thread down below? Is it possible to back it up by making a nandroid backup?

No, yes (with QPST), no.
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[Q] IMEI Backup Qustion

I read in one of the threads that if your IMEI is good (mine is, have yet to flash a ROM), that you could simply copy the EFS Directory from your phone to the SD card, etc. I copied the entire EFS folder to the internal SD card and also to my PC. Two questions:
1. Is this all I will need in the event I somehow lose my IMEI
2. When I look in the IMEI folder inside the EFS folder it is only 3 bytes, doe that really contain the IMEI
3. (ok, I lied about the 2 questions) I read someplace that if my bootloader is unlocked (which it is), I didn't have to worry about losing the IMEI?
Thanks

This is the way to backup IMEI. http://forum.xda-developers.com/showthread.php?t=1852255
Unlocked or not, you can still lose IMEI on any reboot.
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mybook4 said:
This is the way to backup IMEI. http://forum.xda-developers.com/showthread.php?t=1852255
Unlocked or not, you can still lose IMEI on any reboot.
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this is what ive done also.
it was very easy to do.

mybook4 said:
This is the way to backup IMEI. http://forum.xda-developers.com/showthread.php?t=1852255
Unlocked or not, you can still lose IMEI on any reboot.
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Is this the best way to back up now? I remember that there was once a method using dd. But it's didn't always restore correctly right? Are there any other methods?
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sage3 said:
Is this the best way to back up now? I remember that there was once a method using dd. But it's didn't always restore correctly right? Are there any other methods?
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This is the standard way to backup your IMEI. The old method is not as comprehensive, read the OP of the method that you quoted and you will see why this way is more complete.
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Awesome! Yeah I had read it, but just wanted to make sure!
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I have another imei number, its bad for my mobile?

good, I had a brick and I lost my original imei lg now given me another but that is not what I had before, the phone works perfectly and takes network and knock sailed all, what is wrong with having different imei ?
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kevin_23 said:
good, I had a brick and I lost my original imei lg now given me another but that is not what I had before, the phone works perfectly and takes network and knock sailed all, what is wrong with having different imei ?
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Your IMEI might be under your battery, did you checked?

GlossGhost said:
Your IMEI might be under your battery, did you checked?
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Yes i checked but is different than te phone, its bad or not?
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kevin_23 said:
good, I had a brick and I lost my original imei lg now given me another but that is not what I had before, the phone works perfectly and takes network and knock sailed all, what is wrong with having different imei ?
Sent from my LG-P720 using xda app-developers app
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maybe they switched mainboard???

I've managed to put my original IMEI, was for having flashed a custom rom without changing the baseband, a greeting
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