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Use this page to identify software versions for the HTC One (M8) as well as details on recent software updates.

 

 

Identify the device's current software version

6.20.531.5

  1. From any Home screen, tap Apps.
  2. Tap Settings.
  3. Scroll to 'PHONE' and tap About.
  4. Tap Software information.
  5. View the Software number.
  6. Review the information in the Review software version details section below.

 

Review software version details

 

VERSION RELEASE DATE ENHANCEMENTS STATUS

6.20.531.5

Android version 6.0

Software version 6.20.531.5

March 7, 2015

Android Marshmallow

Available March 7, 2015

If your device meets the update requirements below, you can upgrade to the most current software version.

4.20.531.5

Android version 5.0.1

Software version 4.20.531.5

September 8, 2015

Messaging security improvements

Available September 8, 2015

If your device meets the update requirements below, you can upgrade to the most current software version.

4.20.531.4
Android version 5.0.1
Software version 4.20.531.4

February 10, 2015

Android 5.0 Lollipop

Available February 10, 2015

If your device meets the update requirements below, you can upgrade to the most current software version.

 

Determine update requirements

Your device must meet the following requirements to update your software to the most current version:

  • 50% or higher battery life
  • Wi-Fi connection
  • Size of update: 1.14 GB

 

Update software versions

Update from the device

  1. From the Home screen, tap the Apps icon.
  2. Tap Settings.
  3. Tap About.
  4. Tap Software update.
  5. Tap Check Now and follow the on-screen prompts. This is a large update and may take 20 minutes or more to download and install.

 

Issues after updating

If you experience issues after updating to the latest software version, follow these steps:

  1. Wipe your cache partition to make sure that all system files on your device are put back in order.
  2. If wiping the cache partition does not work, you may need to perform a master reset.

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