Charging The Battery; Switching The Power On Or Off - HTC One M9 User Manual

19 Unboxing

Charging the battery

Before you turn on and start using HTC One M9, it is recommended that you charge the battery.
§ If the battery has been discharged for several days, you may need to charge HTC One M9 for
several minutes before powering it on.
§ Use only the adapter and the USB cable that came with HTC One M9 to charge the battery.
When the battery power is too low, make sure to use the power adapter to charge, not the USB
cable connection with your computer.
1. Insert the small end of the USB cable into the USB connector.
2. Insert the other end of the USB cable into the power adapter.
3. Plug in the power adapter to an electrical outlet to start charging the battery.
§ As a safety precaution, the battery may stop charging to avoid overheating.
§ Avoid charging the battery in hot environments.
§ When you're using the web browser and charging the battery, HTC One M9 may become
warmer. This is normal.
§ To conserve energy, unplug the power adapter from the electrical outlet after you finish
charging.

Switching the power on or off

Switching the power on
Press the POWER button until HTC One M9 vibrates.
When you turn on HTC One M9 for the first time, you'll need to set it up.