GT-B7510L Heribatubara Tuesday 7 March 2017 Instructions Extract (unzip) the firmware file Download Odin Extract Odin ZIP file Open Odin Tool 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 GT-B7510LUMKC2_B7510LTCEKC3 GT-B7510LUMKF1_B7510LUVCKF1