Download- LENOVO S660 LENOVO S660 - Update S039 Flashtools ROM Mobile LENOVO S660 – ROM Android 4.2.2 ONLY MT6582 Update Official ROM LENOVO version S660_ROW_S039_140517 Gapps include – No rooted Language support: EN/CN/AR/ES/FR/IN/MS/RU/SR/TH/UK/VI/TW Official ROM LENOVO version S660_S026_140228 Gapps not include – No rooted Language support: EN/CN/TW ROM Install : - Unpack FlashTools, and Click on Flash_tool.exe - Select a the MT6582_Android_scatter_emmc.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.