Use this page to identify software versions for the HTC One M9 as well as details on recent software updates.
On this page:
Identify the device's current software version
Android Version 7.0/Software number: 4.27.531.6
- From any Home screen, tap Apps.
- Tap Settings.
- Scroll to 'PHONE' and tap About.
- Tap Software information.
- View the Software number.
- Review the information in the Review software version details section below.
Android Version 6.0/Software number: 3.39.531.41
- From any Home screen, tap Apps.
- Tap Settings.
- Scroll to 'PHONE' and tap About.
- Tap Software information.
- View the Software number.
- Review the information in the Review software version details section below.
Review software version details
| VERSION | RELEASE DATE | ENHANCEMENTS | STATUS |
|---|---|---|---|
Android version 7.0 Software number: | March 13, 2017 | Android version 7.0 Security update for February Data roaming issue fixed | March 13, 2017 If your device meets the update requirements below, you can upgrade to the most current software version. |
Android version 6.0 Software number: 3.39.531.41 | November 21, 2016 | Android security update by Google | November 21, 2016 If your device meets the update requirements below, you can upgrade to the most current software version. |
Android version 6.0 Software number: 3.39.531.31 | November 10, 2016 | Android security update by Google | November 10, 2016 If your device meets the update requirements below, you can upgrade to the most current software version. |
Android version 6.0 Software number: 3.39.531.21 | October 17, 2016 | Android security update by Google | October 17, 2016 If your device meets the update requirements below, you can upgrade to the most current software version. |
Android version 6.0 Software number: 3.39.531.12 | September 26, 2016 | Android version 6.0 Marshmallow | September 26, 2016 If your device meets the update requirements below, you can upgrade to the most current software version. |
Android version 6.0 Software number: 3.39.531.7 | February 16, 2016 | Android version 6.0 Marshmallow | February 16, 2016 If your device meets the update requirements below, you can upgrade to the most current software version. |
Android version 5.1.1 Software number: 2.11.531.19 | September 28, 2015 | Android for work Messaging security improvements (Stagefright) User experience improvements | September 28, 2015 If your device meets the update requirements below, you can upgrade to the most current software version. |
Android version 5.1.1 Software number: 2.7.531.6 | July 27, 2015 | Battery improvements Anti-theft Google Wallet Android 5.1 OS | July 27, 2015 If your device meets the update requirements below, you can upgrade to the most current software version. |
Android version 5.0.2 Software number: 1.32.531.33 | April 17, 2015 | Camera improvements BlinkFeed improvements Thermal improvements User experience improvements | April 17, 2015 If your device meets the update requirements below, you can upgrade to the most current software version. |
Android version 5.0.2 Software number: 1.32.531.25 | March 27, 2015 | Base version | March 27, 2015 If your device meets the update requirements below, you can upgrade to the most current software version. |
Other versions | N/A | N/A | Your phone has non-T-Mobile software, and it is unsupported. The manufacturer and T-Mobile cannot update your software. |
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: 106.7 MB
Update software versions
Update automatically over the air (OTA)
Your phone will automatically download the update, then prompt you to install the update on your phone. After receiving the OTA notification, follow the on-screen prompts to install. This is a large update and may take 20 minutes or more to download and install.
Update manually
- From the Home screen, tap the Apps icon.
- Tap Settings.
- Tap About.
- Tap Software update.
- 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:
- Wipe your cache partition to make sure that all system files on your device are put back in order.
- If wiping the cache partition does not work, you may need to perform a master reset.