![background image](http://html1.mh-extra.com/html/intex/u-aa-power/u-aa-power_user-manual_2081107042.webp)
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code each time you power the device on to use the locked SIM
card.
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Phone lock
Phone lock can be activated to avoid unauthorized use.
If you have activated Phone lock, you will be required to input
the password each time you power the device on.
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Auto keypad lock
Auto keypad lock can prevent from unintentional operations on
keypad.
At the standby mode, hold and press OK to lock the keypad. When
the keypad is locked, you can hold and press OK or press left key+
* to unlock the keypad
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Change password