The NVRAM partition was formatted during the flash process.
Flashing custom firmware on the Oppo F1s Mt6755 voids the device warranty and may brick the device if not done correctly. Proceed with caution and at your own risk.
Click the green button at the top of the SP Flash Tool interface. Completely power off your Oppo F1s. Oppo F1s Mt6755 Firmware
: Many technicians share tested "Scatter" files on platforms like YouTube for specific fixes, such as the Mr. Solution Firmware Link or the Flash File Backup Tutorial . Basic Flashing Guide
Scatter-based firmware (required for SP Flash Tool). Where to Find & Download The NVRAM partition was formatted during the flash process
Have a specific error code not listed here? Check the XDA Developers thread for "Oppo F1s MT6755 Firmware Support" or join the Telegram group dedicated to MediaTek Helio P10 unbricking.
Check after flashing:
Originally released with Android 5.1 (Lollipop), with some versions running Android 6.0 (Marshmallow).