Oppo A37f Zero Wipe FRP/akun google successfully done by Hydra Tool

1. Run Qualcomm Tool of Hydra.
2. Choose Module and Brand
3. Choose "Service" ➞ "Universal" Tab. 
4. Choose "Ultra Power" from drop down menu.
5. Choose "Auto" from flash mode.
6. Dissemble device and find the test point.
7. Click on "Execute"
8. connect both test-points with the help of twiser or short them.
9. Connect device to the computer with USB Data Cable.
10. Wait until the operation is complete.