Portable electronic device and unlocking method thereof

摘要

A method executes a gyroscope function to unlock a portable electronic device. A user can rotate the portable electronic device to set a predetermined rotation direction and a predetermined rotation angle for unlocking the portable electronic device. In an unlock procedure, the gyroscope detects the rotated portable electronic device and outputs detected information of the portable electronic device. If the rotation direction and the rotation angle are the same as the predetermined rotation direction and the predetermined rotation angle, the locked portable electronic device is unlocked.