Charge Your Phone - Microsoft Lumia 640 XL LTE User Manual

Set the keys and screen to lock automatically
On the start screen, swipe down from the top of the screen, tap ALL SETTINGS > lock
screen > Screen times out after, and select the length of time after which the keys and screen
are locked automatically.

Charge your phone

Learn how to charge your phone.
Charge your phone with a USB charger
Your battery has been partially charged at the factory, but you may need to recharge it before
you can switch the phone on for the first time.
Make sure you use a compatible USB charger to charge your phone. The charger may be sold
separately.
1. Plug the charger into a wall outlet. If necessary, connect the USB cable to the charger.
2. Connect the micro-USB end of the charger's cable to your phone.
3. When the battery is full, disconnect the charger from the phone, then from the wall outlet.
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