Hard Reset ZTE Grand S3

How to factory reset ZTE Grand S3? How to wipe all data in ZTE Grand S3? How to bypass screen lock in ZTE Grand S3? How to restore defaults in ZTE Grand S3?

The following tutorial shows all method of master reset ZTE Grand S3. Check out how to accomplish hard reset by hardware keys and Android 4.4 KitKat settings. As a result your ZTE Grand S3 will be as new and your Qualcomm Snapdragon 801 MSM8974AC core will run faster.

First method:

At first hold down the Power key to turn off the mobile phone.
Then press and hold together the Volume Up + Power button for a couple of seconds.
You can release held keys when you see an Andoid image on the screen.
Afterwards press the Power key to enter Recovery Mode.
Choose "wipe data/factory reset" by using Volume buttons to navigate and Power key to confirm.
Select "Yes--delete all user data". Use Volume Down button to scroll and Power button to select.
To restart the phone select "reboot system now".
Success! The hard reset is done!