HTC One User Manual page 30

30 Your first week with your new phone
§ Choose widgets wisely.
Some widgets constantly sync data. Consider removing the ones that are not
important from your Home screen.
§ In Play Store, tap
automatically adding Home screen widgets whenever you've installed new apps.
Also clear Auto-update apps if you're fine with updating apps from Play Store
manually.
Other tips
To squeeze in a little bit more battery power, try these tips:
§ Tone down the ringtone and media volume.
§ Minimize the use of vibration or sound feedback. In Settings, tap Sound and
choose which ones you don't need and can disable.
§ Check your apps' settings as you may find more options to optimize the battery.
> Settings, and then clear Auto-add widgets to avoid