Oppo F17 Pro (CPH2119) Formatting user data successfully done by Hydra Tool
1. Run Hydra MTK Tool and choose "Sosc".
2. Choose Brand and Module.
3. Tick "Auto loader" and "Auto BROM Exploit"
4. Go to "Service"--> "Tool" tab
5. Choose "Factory format / reset userdata"
6. Choose "Erase User Data" from "Method / Option" drop down menu.
7. Click "Execute"
8. Connect device to computer with the help of data cable.
9. Wait until the operation is complete
1. Run Hydra MTK Tool and choose "Sosc".
2. Choose Brand and Module.
3. Tick "Auto loader" and "Auto BROM Exploit"
4. Go to "Service"--> "Tool" tab
5. Choose "Factory format / reset userdata"
6. Choose "Erase User Data" from "Method / Option" drop down menu.
7. Click "Execute"
8. Connect device to computer with the help of data cable.
9. Wait until the operation is complete