How to Reset

リセットする方法 - スマートフォンやタブレットのための工場のガイドをリセット

If your device freezes or hangs, infected with virus, switched on or off unintentionally, system errors, forget screen code or lock pattern, you may need to close programs or reset the device to regain functionality.

Caution: Before starting to format the telephone, make sure your phone charge should be 50% at least, or you may face irreparable malfunction problems.