help me guys - Galaxy S III Q&A, Help & Troubleshooting

i have galaxy s3 mobile i9300 with jelly bean ROM 4.1.2 I updated it to 4.3 then IMEI changed to stranger number but S/N is the same i tried to update it with ROM from 5 files region is KOREAN to repair this issue after flash it imei number returned to The correct IMEI number but S/N changed to 000000000000 help me to return to The correct serial number

help me guys please

zuluman patch

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samsung galaxy s2 help

i installed I9100XXKPA_I9100OXAKPA_OXA all files
GT-I9100-MULTI-CSC-OXAKPA.tar.md5
I9100_CODE_I9100XXKPA_CL51925_REV02_user_low_ship.tar.md5
I9100_EFS_I9100XXKP9_CL45181_REV02_user_low_ship.tar.md5
I9100_KERNEL_I9100XXKP9_CL45181_REV02_eng_mid_ship.tar.md5
MODEM_I9100XXKPA_REV_02_CL1094591.tar.md5
u1_02_20110310_emmc_EXT4.pit
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my imei is 0049 but my sim is working fine
now am facing 1 small problem when i enter mobile numer in there is 1 space in between number why any fix to this please help
now android version is 4.0.3

[Q] Samsung Tab 10.1 3G P7500 - incorrect IMEI number

Hi guys,
I would be grateful if anyone can help or point me in the right direction to resolve the IMEI issue with my P7500.
I have no idea why the IMEI number on tablet (IMEI number: 0049....00, as provided by about->status) is different from the IMEI number written on the back of the tablet (first few digits 3577...). Please note that the IMEI number written on the back of the tablet and on the original box match!
My tablet is still under warranty and I have only flashed custom ROMS and used odin to flash original ROMS.
Any ideas or suggestions please?
Thank you
android_htc said:
Hi guys,
I would be grateful if anyone can help or point me in the right direction to resolve the IMEI issue with my P7500.
I have no idea why the IMEI number on tablet (IMEI number: 0049....00, as provided by about->status) is different from the IMEI number written on the back of the tablet (first few digits 3577...). Please note that the IMEI number written on the back of the tablet and on the original box match!
My tablet is still under warranty and I have only flashed custom ROMS and used odin to flash original ROMS.
Any ideas or suggestions please?
Thank you
Click to expand...
Click to collapse
Did you backup EFS folder? after rooting it's a must.
Try to flash original rom for your tablet, and if your imei is the same(0049....) only service center will rewrite back your original IMEI)- but this is not cover by your warranty....

[Q] Samsung galaxy s3 HELP

hi i have a samsung galaxy s3 GT-I9300 with Android 4.1.2 I9300XXEMC2/O2U i had flashed it to Android 4.1.2 I9300XAEMG4/BTU i then reflashed it back to Android 4.1.2 I9300XXEMC2/O2U but my imei number has changed and i now cannot call or text when but if i flash it back to I9300XAEMG4/BTU my serial number comes back how can i flash back to my original stock rom I9300XXEMC2/O2U without loosing my imei
jae1512 said:
hi i have a samsung galaxy s3 GT-I9300 with Android 4.1.2 I9300XXEMC2/O2U i had flashed it to Android 4.1.2 I9300XAEMG4/BTU i then reflashed it back to Android 4.1.2 I9300XXEMC2/O2U but my imei number has changed and i now cannot call or text when but if i flash it back to I9300XAEMG4/BTU my serial number comes back how can i flash back to my original stock rom I9300XXEMC2/O2U without loosing my imei
Click to expand...
Click to collapse
Be more specific with next headlines. There are lot of threads of that problem, check them out.
samsung s3 help
could you please link me to a solved thread with this exact problem please
unless you backed up your efs partition . you cant revert to an older modem . my advice for now is stay with mg4 and back up efs . apparently for as of right now if you change your modem you will most likely lose your imei
jae1512 said:
hi i have a samsung galaxy s3 GT-I9300 with Android 4.1.2 I9300XXEMC2/O2U i had flashed it to Android 4.1.2 I9300XAEMG4/BTU i then reflashed it back to Android 4.1.2 I9300XXEMC2/O2U but my imei number has changed and i now cannot call or text when but if i flash it back to I9300XAEMG4/BTU my serial number comes back how can i flash back to my original stock rom I9300XXEMC2/O2U without loosing my imei
Click to expand...
Click to collapse
See the post in GENERAL section re MG4

SGS3 4.3 IMEI problem

Hay guys ,
I'm Mina Alphons and I having a problem with my SGS3 I9300 16GB
...
my phone doesn't read my imei when i install a MG4 or higher modem !! it can't be upgraded to efsv2 !!
i can't upgrade my phone to android 4.3 JB cause my IMEI will be like that 006.....
I tried to flash my old modem that i use now MB5 on 4.3 .. and i get unknown imei and serial ...
what should i do to upgrade my phone to 4.3 without imei problem or modem problem ???
in a easy way
I'm running 4.1.2 stock rom .. every thing works fine
upgrade to 4.3 ... imei problem
my efs partition can't be updated to efsv2 what should i do ?????
any one helps meeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
delete the post
this can be illegal and also against xda rules, message me i will tell, we should respect to xda policies

not registered on network / Imei changed to 0049**

Hello
I Make A New firmware by Odin Its 4.3 Because my Samsung S3 ( GT-I9300 ) Is too slow after that I Got Not registered at network And i check my imei by *#06# i Got 0049******
Its not my original Imei i have the original one Under the battery I Download new firmware but the same
i try ariza patch and the same
i have been trying to fix it for week ago / i Try All Modems and kernels But same
Please Help Me fast
saamiir said:
Hello
I Make A New firmware by Odin Its 4.3 Because my Samsung S3 ( GT-I9300 ) Is too slow after that I Got Not registered at network And i check my imei by *#06# i Got 0049******
Its not my original Imei i have the original one Under the battery I Download new firmware but the same
i try ariza patch and the same
i have been trying to fix it for week ago / i Try All Modems and kernels But same
Please Help Me fast
Click to expand...
Click to collapse
Read this thread: [REF] IMEI / EFS - Know this stuff (i9300) - including "no network"
If you don't have an EFS backup, and you already tried to odin stock 4.3, then you should take it to a phone repair shop.
You already got the correct answer in the last thread you started, don't start duplicates.
josephiskandar said:
Read this thread:
If you don't have an EFS backup, and you already tried to Odin stock 4.3, then you should take it to a phone repair shop.
Click to expand...
Click to collapse
Alright Now I Have A Back up [ Before Install firmware 4.3 ] By Samsung kies 3 Can Samsung Kies back up help me to know what is the old software version or help me in this problem ??
http://forum.xda-developers.com/galaxy-s3/help/imei-changed-help-0049-t3064131
Please do not open multiple threads for the same issue. Thanks.

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