30  Basics

Charging the battery

The battery is partially charged when shipped. Before you turn on and start using your phone, it is recommended that you charge the battery. Some batteries perform best after several full charge/ discharge cycles.

Only the power adapter and USB sync cable provided with your phone must be used to charge the battery.

Do not remove the battery from the phone while you are charging it using the power or car adapter.

1.Plug the power adapter into the USB connector of your phone.

2.Plug in the power adapter to an electrical outlet to start charging the battery.

As the battery is being charged, the notification LED shows a solid red light. The light turns to solid green when the phone is fully charged.

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HTC Thunderbolt manual Charging the battery