Rom Stock 4.2.1 OPPO R809T Install ROM: - Unpack FlashTools, and Click on Flash_tool.exe - Select a the MT6577_Android_scatter.txt in ROM - Wait file to be added into Flash Tool - choose Option->USB Model,click USB Model –> Choose Option->DA DownLoad All->Speed->High Speed, click High Speed - Turn off your phone, remove the battery. - "Press F9 (hit Download button)" OR " if upgrade ROM Firmware->Upgrade " - and connect your phone into the computer via USB data cable. - The process will start and a red progress bar will appear after color purple, yellow. - And green circles display - Finish ! - You can now safely disconnect your phone and turn it on. File : Bạn không thể xem nội dung này - Vui lòng đăng ký thành viên để được xem ! Cảm ơn.