HTC One M9 - Manual (Page 23)

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Note: When you’re using the Internet and charging the battery, your phone may become warmer.
This is normal.
Note: To conserve energy, unplug the power adapter from the electrical outlet after you finish
charging.
Charge Using the AC Adapter
1. Plug one end of the USB cable into the AC adapter.
2. Plug the other end of the USB cable into the Charger/Accessory Jack on the bottom panel of
your phone.
3. Plug the other end of the USB cable into the AC adapter.
4. Plug the AC adapter into an electrical outlet.
The indicator light illuminates when charging starts. The light turns green when the battery is
fully charged. Fully charging a battery may take up to three hours.
5. After charging, disconnect the phone from the charger.
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Unplug the AC adapter from the outlet, and remove the USB cable from the phone.
Charge Using a PC Connection
Before using a PC connection to charge your phone, ensure that the computer is turned on.
Depending on the type of connection, your phone’s battery may not charge.
1. Insert the small end of the USB cable into the charger/accessory jack on the bottom of your
phone.
2. Insert the large end of the USB cable into an external USB port on your computer.
3. After charging, disconnect the USB cable from both the phone and the computer.
Turn Your Phone On and Off
The instructions below explain how to turn your phone on and off.