How to Factory Reset Vivo by AT Mode ?

  1. Power on the device (Cellphone / Mobile).
  2. Go to Dial Screen,
  3. Then, Dial *#558#
  4. Go to Verification Test -> Debug Port
  5. Now, Run "Qualcomm" Module of Hydra Tool.
  6. Go to  "Service" Tab.
  7. Go to "Vivo" Tab.
  8. Choose "Factory Reset" drop down menu.
  9. Choose "Factory Reset" on "ATE Command" Mode (You find this at the last list. )
  10. Click "Execute" button
  11. Wait until the operation is complete.
  12. Good Luck!