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[Q] Intl S3 EFS v2 modems cant recognize my imei number

3 posts
Thanks Meter: 2
By frbossini, Junior Member on 1st January 2014, 02:56 PM
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Hi guis,

Im having a weird problem with my intl galaxy s3. Only EFS v1 modems, like LLX and MEX are working. Every modem and rom designed for EFS v2 folder cant read my imei number and shows me 00049 generic imei.
Ive tried install MG4 and MH5 modems and roms, stock and modified, but apparently my EFS folder dont upgrade or....dont know what.
When flashes older roms (EFS v1) my imei returns.
Anyone have any idea what might be happening and how to fix it? Or, maybe, is there any method to install older modems in newer roms?

6th January 2014, 09:12 PM |#2  
OP Junior Member
Thanks Meter: 2
Anyone?? I really want flash newer roms in my s3.

Sent from my GT-I9300 using xda app-developers app
31st March 2016, 09:37 PM |#3  
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You could try to back up efs folder while on older rom then flash new rom and then flash old modem and ril only
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