Samsung Galaxy Grand Win GT-i8552 Stock Firmware Rom Free
Samsung Galaxy Grand Win GT-i8552 Stock Firmware Rom Free
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
Finally Enjoy.