How to factory resetPOLYTRON W8480 Crystal 4? How to wipe all data in POLYTRON W8480 Crystal 4? How to bypass screen lock in POLYTRON W8480 Crystal 4? How to restore defaults in POLYTRON W8480 Crystal 4?
The following tutorial shows all method of master reset POLYTRON W8480 Crystal 4. Check out how to accomplish hard reset by hardware keys and Android 4.2 Jelly Bean settings. As a result your POLYTRON W8480 Crystal 4 will be as new and your MediaTek MTK6589 core will run faster.
First method:
First of all, switch off the phone by using the Power button.
Then press and hold together Volume Down and Power key for a few seconds.
You can release held keys when you see an Polytronlogoicon.
In the next step use Volume buttons to select "wipe data/factory reset" and tap the Power button to confirm.
That's all. The hard reset operation should be completed.
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