Software updates: ZTE Obsidian

Use this page to identify software versions for the ZTE Obsidian as well as details on recent software updates.

 

 

 

Identify the device's current software version

 

Android version 5.1/Baseband version Z820V1.0.0B29

  1. From the Home screen, tap the All apps icon.
  2. Tap Settings.
  3. Scroll down to the 'System' category and tap About phone.
  4. Review the information in the Review software version details section below.

 

Android version 5.1/Baseband version Z820V1.0.0B28

  1. From the Home screen, tap the All apps icon.
  2. Tap Settings.
  3. Scroll down to the 'System' category and tap About phone.
  4. Review the information in the Review software version details section below.

 

 

Review software version details

 

VERSIONRELEASE DATEENHANCEMENTSSTATUS

Android version 5.1

Baseband Version: Z820V1.0.0B29

May 30, 2016

Security Updates

May 30, 2016

If customers' devices meet the update requirements below, they can upgrade to the most current software version.

Android version 5.1

Baseband Version: Z820V1.0.0B28

February 23, 2016

VoLTE and Band 12 support added

February 23, 2016

If customers' devices meet the update requirements below, they can upgrade to the most current software version.

Android version 5.1

Baseband Version: Z820V1.0.0B18

August 13, 2015

Base Version

August 13, 2015

If customers' devices meet the update requirements below, they 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

Customers' devices must meet the following requirements to update their software to the most current version:

  • 50% or higher battery life
  • Data connection
  • ~50 MB available space (file size is 32.1 MB)

 

 

Update software versions

 

Update automatically over the air (OTA)

  1. From the message Notification Screen, tap Download.

  2. Tap Install Now.

  3. Wait as your phone restarts and updates

 

Update manually over the air (OTA)

  1. From any home screen, tap All apps.

  2. Tap Settings.

  3. Tap About phone.

  4. Tap Additional system updates.

  5. Tap Software Update.

  6. If there is no update available, a Your software is up to date message appears at the bottom of the screen.

  7. If there is an update available, follow the additional prompts.