How to restore the factory settings of oppo a53?

Step 1: Turn off the phone, hold the phone in your left hand, and press the middle of the volume button with your left thumb (to ensure that you can press the volume up and down buttons at the same time). After confirming that the volume up and down buttons are pressed, press and hold the home button with your right thumb.

Press and hold the key (the key in the middle of the bottom of the mobile phone screen), then press and hold the power button with the index finger of your left hand, and release it when i5800/0 1 appears. You will see several rows of blue English options, and then proceed to the second step. (Hint: If a green robot and a row of yellow English appear on the mobile phone at this step, then I'm sorry, you are very nervous.

Only the volume button was pressed, please button the battery and try again)

(The second and third steps below are the so-called "double clearing")

Step 2: Use the volume button to select the third option to erase data/restore factory settings.

(This is to restore the factory settings), press the home button to confirm, and then enter another screen with no (there are many no options, it doesn't matter) and yes-delete alluser (only one).

Yes-remove all user options, that's all)

English options,

Select yes-delete all user with the volume key, and then press home to confirm.

Third, after pressing home to confirm in the second step, the screen will go to the option seen in the first step, use the volume key to select the fourth option, wipe cache partition, and then go to the option seen in the first step.

Step 4: Use the volume button to select the first option reboot system now, and then the phone will automatically restart. It will take a long time, about 3 to 4 minutes.

Method 2:

Turn off the appliances

Press and hold the Home+ power button+volume increase button or the power button+volume increase button at the same time until the recovery mode is entered.

Use the volume keys to move and select Erase Data/Restore Factory Settings.

Home key or power key to confirm.

Go back, select Erase Cache Partition and confirm.

restart