1:Go to SAMMobile site and download this firmware
- Extract (unzip) the firmware file
- Download Odin v3.10.7
- Extract Odin ZIP file
- Open Odin v3.10.7
- Reboot Phone in Download Mode (press and hold Home + Power + Volume Down buttons)
- Connect phone and wait until you get a blue sign in Odin
- Add the firmware file to AP / PDA
- Make sure re-partition is NOT ticked
- Click the start button, sit back and wait few minutes
- BOOM..You've now MM :p