Lock The Keys And Screen - Nokia Lumia 1520 User Manual

Do not attempt to open the back cover or remove the battery from the device. To replace the battery,
take the device to your nearest authorized service facility.
Authorized retail points may also offer a battery replacement service.
Important: Only qualified personnel or an authorized service facility should replace the battery.
Unauthorized battery replacement may invalidate your warranty.

Lock the keys and screen

Want to avoid accidentally making a call when your phone is in your pocket or bag?
Press the power key.
Unlock the keys and screen
Press the power key, and drag the lock screen up.
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