Oppo F1s : downgrade/unbrick/fix vibrate

Tested on  Oppo F1s A1601



  • Unpack Firmware and DownloadTool
  • Move DownloadTool_1612.8.exe To Firmware Folder Oppo F1s A1601
  • Open DownloadTool and Automatic Load Scatter
  • for Unbrick or Vibrate only Select “Development download + no checksum” Insert Password oppodeve
  • Turn off your phone press vol up + vol down > connect cabble to PC
  • Press “Start All” button to start
  • 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.
  • Until there green circles display
  • Finish > turn on your phone

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