Oppo A31 (CPH 2015) Factory reset format userdata successfully done by Hydra Tool
1. Run Hydra MTK Tool.
2. Choose "Brand" and "Module"
3. Tick "ComPort"
4. Tick "Auto Broom Exploit", "Load UBL Loader" and "Enable Auto PreEump"
5. Go to "Service"--> "Tool"
6. Choose "Factory reset/ Format User Data"
7. Choose "Auto" from "Method / Option"
8. Click "Execute"
9. Connect Cellphone to Commuter with the help of Data cable.
10. Wait until the operation is completed.
2. Choose "Brand" and "Module"
3. Tick "ComPort"
4. Tick "Auto Broom Exploit", "Load UBL Loader" and "Enable Auto PreEump"
5. Go to "Service"--> "Tool"
6. Choose "Factory reset/ Format User Data"
7. Choose "Auto" from "Method / Option"
8. Click "Execute"
9. Connect Cellphone to Commuter with the help of Data cable.
10. Wait until the operation is completed.
Screen Short:
BR
Mount Everest/B]