Nokia Lumia 720 User Manual page 13

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.
You don't need to charge the battery for a specific length of time, and you can use the phone while
it's charging.
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