I9300 no network emergency lang
Root
Put phone into Download Mode.
Connect the phone to PC via Micro USB cable.
Install required driver.
Select Root_GT-I9300_4.2.x.oct or Root_GT-I9300_4.3.oct firmware file.
Click "Write firmware" button.
Repair IMEI
Standard Repair IMEI method:
Connect powered-on phone to PC via Micro USB cable.
Enter correct IMEI.
Click "IMEI fix" button.
Follow software instructions (prompts).
Root
Put phone into Download Mode.
Connect the phone to PC via Micro USB cable.
Install required driver.
Select Root_GT-I9300_4.2.x.oct or Root_GT-I9300_4.3.oct firmware file.
Click "Write firmware" button.
Repair IMEI
Standard Repair IMEI method:
Connect powered-on phone to PC via Micro USB cable.
Enter correct IMEI.
Click "IMEI fix" button.
Follow software instructions (prompts).