Oppo F7 (Cph1819) erasing user data successfully done by Hydra Tool
Screen Short:
1. Run MTK Tool and choose "Sosc"
2. Choose Brand and Module.
3. Go to "Service"--> "Tool"
4. Choose "Ultra Power Option"
5. Choose "Erese User Data" from "Method / Option" drop down menu.
6. Connect device to computer using USB Data Cable.
7. Wait until the operation is completed.
2. Choose Brand and Module.
3. Go to "Service"--> "Tool"
4. Choose "Ultra Power Option"
5. Choose "Erese User Data" from "Method / Option" drop down menu.
6. Connect device to computer using USB Data Cable.
7. Wait until the operation is completed.
Screen Short: