Hi Saqib, I am on I9300XXUGNB6_I9300OJVGNB3_PAK
and only this method by Zaroon worked for me. (
[How TO] Solve Not Registered on network Galaxy S3 I9300 issue and restore IMEI | Androidveterans)
FIXES:
The Device will connect to the network right away after applying the fix.
IMEI number will be restored.
Files Required:
XXUGMK6 Modem.zip (
Click here)
XXUGMK6 Kernel.zip (
Click here)
Download and copy the files in Phone’s internal storage. The files must be in .zip format.
Pr-requisites:
As usual, creating backup is the first priority:
Create backup of apps, music and other stuff.
Create backup of your text messages and contacts.
Enable USB debugging in Settings under the Developer Options.
Your device should be rooted and should have ClockworkMod (CWM) installed in it. (Click here, ignore the title. works with all Android versions.)
And lastly, check your battery, it should be almost 70% charged.
Steps to solve “not registered on network” issue on Galaxy S3 I9300:
Turn the device off and reboot in recovery mode. Press and hold volume up+power+menu button until device enters in recovery mode.
When in recovery mode, go straight to “install zip from sdcard” and select” chose zip from sdcard. Select XXUGMK6 Kernel.zip and confirm the installation. wait until installation completes.
Similarly, again go to ” select zip from sdcard” and chose XXUGMK6 Modem.zip already copied in internal storage and proceed with “Yes” to install it.
After both above patches have been installed, reboot the device in normal mode. As soon as device reboots, it will get registered to network and IMEI number will be restored. You are now good to go for making calls and sending text messages.