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> Using Your Device’s Battery and Charger

> Your device is equipped with a Lithium Ion (Li-Ion) battery. It allows you to recharge your battery before it is fully drained. The battery provides up to 4.2 hours of continuous digital talk time.

> Note |

> | • | Long backlight settings, searching for service, vibrate mode, browser use, and other variables may reduce the battery’s talk and standby times.

> | • | Watch your device’s battery level indicator and charge the battery before it runs out of power.

> If you need to purchase extra batteries for your device, Sprint-approved or HTC-approved batteries and accessories can be found at Sprint Stores or through HTC; or call 1-866-343-1114 to order. They’re also available at www.sprint.com.

> WARNING | Use only Sprint-approved or HTC-approved batteries and chargers with your device. The failure to use a Sprint-approved or HTC-approved battery and charger may increase the risk that your device will overheat, catch fire, or explode, resulting in serious bodily injury, death, or property damage.

> To reduce risk of fire or burns:

> | • | Do not attempt to open, disassemble, or service the battery pack.

> | • | Do not crush, puncture, short external contacts, or dispose of in fire or water.

> | • | Do not expose to temperatures above 60 oC (140oF).

> | • | Replace only with the battery pack designated for this product.

> | • | Recycle or dispose of used battery as stipulated by local regulations.

> Installing and Removing the Battery

> Always turn off your device before installing or replacing the battery. You also need to remove the back cover before you can install these components.

> To install the battery:

> |  | See “Setting Up Your Smart Device”.

> To remove the battery:

> 1. | Make sure your device is turned off.

> 2. | Remove the back cover.

> 3. | The bottom right side of the battery has a protruding grip. Lift the protruding grip to remove the battery.

> Charging the Battery

> Charge your battery as soon as possible so you can begin using your device.

> Keeping track of your battery’s charge is important. If your battery level becomes too low, your device automatically turns off, and you will lose any information you were just working on. For a quick check of your battery level, glance at the battery charge indicator located in the upper-right corner of your device’s display screen. If the battery charge is critically low, the battery icon () will be shown in the title bar.

> Always use a Sprint-approved or HTC-approved desktop charger, travel charger, or vehicle power adapter to charge your battery.

> To charge the battery:

> 1. | Connect the USB connector of the phone charger to the sync connector on your device.

> 2. | Plug in the phone charger to an electrical outlet to start charging the battery.

> Charging is indicated by a “breathing” white light around the Navigation Control. As the battery is being charged while the power is on, a charging icon ( ) also appears in the title bar of the Home screen.

> After the battery has been fully charged, the Navigation Control LED shows a solid white light and a full battery icon ( ) appears in the title bar of the Home screen.

> For more information about the Navigation Control LED, see “LED Alerts”.

> WARNING |

> | • | Do not remove the battery from the device while you are charging it using the phone charger or car adapter.

> | • | As a safety precaution, the battery stops charging when it overheats.

> Battery Saving Tips

> How long your battery power lasts depends on the battery type and how you use your device. Try the following to help conserve battery life:

> | When the device is not in use, press the Power key to switch off the display.

> | On the Home screen, slide to the Settings tab and then tap All Settings. On the System tab, tap Power > Advanced tab of the Power settings screen. Here, you can specify the time before your device automatically turns off the display and backlight to conserve battery power. For optimum conservation, specify three minutes or less.

> | On the Home screen, slide to the Settings tab and then tap All Settings. On the System tab, tap Power > Backlight tab to adjust the backlight brightness settings.

> | Use the AC phone charger to plug your device into an external power outlet whenever possible, especially when using a modem or other peripherals.

> | Turn Bluetooth off when you are not using it. Make your device visible to other devices only when you are trying to establish a Bluetooth partnership. For more information about Bluetooth, see “Using Bluetooth”.

> | Lower the volume.

> | Close battery-intensive programs such as the camera when you are done using them. Make sure the programs are ended and are not continuously running in the background. See “Using Task Manager” for information on closing programs.

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