Oppo F11 (CPH 1911) formatted user data successfully done by Hydra Tool
1. Run MTK Tool and choose "Sosc"
2. Choose Brand and Module.
3. Tick on "ComPort"
4. Tick on "Auto Broom Exploit", "Enable UBL Loader" and "Enable auto PreDUMP"
5. Go to "Service"--> "Tool"
6. Choose "Factory Reset / Format use data"
7. Choose "Erase User Data" drop down menu.
8. Connect device to computer using USB Data Cable.
9. Wait until the operation is completed
2. Choose Brand and Module.
3. Tick on "ComPort"
4. Tick on "Auto Broom Exploit", "Enable UBL Loader" and "Enable auto PreDUMP"
5. Go to "Service"--> "Tool"
6. Choose "Factory Reset / Format use data"
7. Choose "Erase User Data" drop down menu.
8. Connect device to computer using USB Data Cable.
9. Wait until the operation is completed
Screen Short:
BR
Mount Everest