Battery & power: HTC One (M8)

Learn how to replace the battery and save battery life on the HTC One (M8). Find out more on this page:

 

Battery

Battery life

 

 

Battery

Insert / remove battery

This is a unibody device with an internal battery that cannot be removed. If you need to remove and re-insert the battery to reset the device, follow these steps:

 

Press and hold the Power and Volume up keys for 10-15 seconds to force the device to restart.

 

 

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Battery life

Battery saving mode

To turn on, turn off, or use battery life saving features on the device, follow these steps:

 

Turn on

  1. From any Home screen, tap Apps.
  2. Tap Settings.
  3. Scroll to 'PHONE,' then tap Power.
  4. Tap the Power saver switch.
  5. The switch turns green and slides left to the ON position.

 

PW siwtch only.png

 



Turn off

  1. From any Home screen, tap Apps.
  2. Tap Settings.
  3. Scroll to 'PHONE,' then tap Power.
  4. Tap the Power saver switch.
  5. The switch turns gray and slides right to the OFF position.

 

ps switch off.png

 

 

 

 

Battery saving mode settings

To change settings for the battery life saving feature, follow these steps:

 

  1. From any Home screen, tap Apps.
  2. Tap Settings.
  3. Scroll to 'PHONE,' then tap Power.
  4. Tap Power saver.
  5. Tap the Power saver switch to turn it off if you wish to edit the options below.
  6. Select or clear the check boxes for the following options:
    • CPU power
    • Display
    • Vibration
    • Data connection
  7. Once you have made your selections, tap the Power saver switch a second time to turn it on and save your settings.
  8. Once saved, your Power saving settings appear grayed out and items selected have a white check over a green background.


PS ON.png

 

 

 

 

Tips to save battery life

To save and extend battery life, follow these steps:

 

  1. From any Home screen, tap Apps.
  2. Touch Settings.
  3. Scroll to 'PHONE,' then tap Power.
  4. Tap Usage.
  5. View the battery use details.

 

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