Oppo A31 (CPH 2015) Formatting user data successfully remove by Hydra Tool
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1. Run MTK Tool and choose "Sosc"
2. Choose Brand and Module.
3. Go to "Service"--> "Tool"
4. Choose "Ultra Power Option"
5. Choose "Format / Erase" from drop down menu
6. Click on "Execute"
7. Connect device to computer using USB Data Cable.
8. Wait until the operation is completed.
2. Choose Brand and Module.
3. Go to "Service"--> "Tool"
4. Choose "Ultra Power Option"
5. Choose "Format / Erase" from drop down menu
6. Click on "Execute"
7. Connect device to computer using USB Data Cable.
8. Wait until the operation is completed.
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