Hard Reset TENGDA M55

How to factory reset TENGDA M55? How to wipe all data in TENGDA M55? How to bypass screen lock in TENGDA M55? How to restore defaults in TENGDA M55?

The following tutorial shows all methods of master reset TENGDA M55. Check out how to accomplish Hard Reset by hardware keys and Android 4.4 KitKat settings. As a result your TENGDA M55 will be as new and your MediaTek MT6582 cores will run faster.

How to hard reset TENGDA M55

1. In order to perform this operation, your TENGDA M55 must be turned off, so hold down Power Key for a few seconds do make it so.
2. Once your phone is off, you have to proceed to the Recovery Mode by holding down Power Key + Volume Up for about 5 seconds.
3. After you see Android robot displayed on screen, you have to hold down Power Key and press Volume Up once to proceed.
4. When you're in Recovery Mode, you have to select option "wipe data/factory reset", using Volume Keys to navigate and Power Key to select.
5. In the next step, you should select option "Yes -- delete all user data" in order to confirm this operation.
6. After a couple of seconds, data wipe completes, and you should select option "reboot system now" to exit Recovery Mode.
7. After that your TENGDA M55 will be restarted as usual and that's it.