How to factory reset JINGA A400? How to wipe all data in JINGA A400? How to bypass screen lock in JINGA A400? How to restore defaults in JINGA A400?
The following tutorial shows all method of master reset JINGA A400. Check out how to accomplish hard reset by hardware keys and Android 5.1 Lollipop settings. As a result your JINGA A400 will be as new and your Spreadtrum SC7731G core will run faster.
Прошивка на Jinga A450 - video
Hard Reset will erase all of your data
All described operations you are doing at your own risk.