HTC One™ - Battery drains quickly

If you find that your smartphone drains or loses power more quickly than you expect, try the following.

NOTE: Enabling Power saver mode will disable haptic feedback on your device to reduce battery usage. Once your battery is charged, disable Power saver mode to re-enable haptic feedback on your device.

Turn on Power saver mode

Enable Power saver to conserve CPU usage, reduce screen brightness, turn off vibration feedback, and put the data connection to sleep when the screen is off.

• From the Home screen, swipe down from the top edge of the screen.
• Place a check mark in the Power saver checkbox.
• Power saver is enabled.

Turn off Bluetooth

Turn off Bluetooth® connections when you don’t need them.

1. From the Home screen, swipe down from the top edge of the screen.
2. Tap Settings at the top right corner.
3. Turn off Bluetooth.
4. Your Bluetooth connection is turned off.

Turn off Wi-Fi

Turn off Wi-Fi™ connections when you don't need them.

1. From the Home screen, swipe down from the top edge of the screen.
2. Tap Settings at the top right corner.
3. Turn off Wi-Fi.
4. Your Wi-Fi connection is turned off.

Turn off Portable Wi-Fi hotspot

You can turn off Portable Wi-Fi hotspot when you're not using it. Do the following.

1. From the Home screen, swipe down from the top edge of the screen.
2. Tap Settings at the top right corner.
3. Select More.
4. Select Mobile network sharing.
5. Clear the Portable Wi-Fi hotspot check box.
6. Portable Wi-Fi hotspot is turned off.

Enable Automatic brightness

You can enable Automatic brightness so your screen only uses enhanced brightness when it's needed.

1. From the Home screen, swipe down from the top edge of the screen.
2. Tap Settings at the top right corner.
3. Select Display, gestures & buttons.
4. Select Brightness.
5. Check the Automatic brightness check box. A check mark appears.
6. Tap OK.
7. Automatic brightness is enabled.

Make sure your battery is fully charged

Make sure that you fully recharge your battery on a regular basis prior to use. Failure to do so can cause your battery to drain more rapidly and shorten its life span.

1. Whenever possible, use the AC adapter and plug your phone into an external power outlet.
2. You can use your smartphone while your battery recharges.

Restart your smartphone

Restarting your smartphone causes its software to reload and renews your connection to the network, which can fix some problems:

1. Remove the battery.
2. Wait ten seconds.
3. Reinsert the battery.
4. Turn your smartphone on.
5. Your smartphone is restarted.
6. If these steps are unsuccessful, visit a Product Care Centre to have your smartphone inspected