Software update for the ZTE Maven 3 (Z835)
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Software update for the ZTE Maven 3 (Z835)


Latest update
Getting started
Update & verify software
Previous updates

Latest update

  • What's changing: Android device security updates

  • Release date: September 18, 2018
  • Android version: 7.1.1
  • Security patch level (SPL): August 1, 2018
  • Baseband version: Z835H01
  • Build number: Z835V2.0.0B14
  • File size: 25.84MB

Getting started

  • You can download the update via Firmware Over the Air (FOTA).
  • You must connect your device to Wi-Fi to download the update.
  • Although there should be no impacts to settings or data, we recommend that you back up your media files to an SD card, a PC, or using a favorite application, prior to upgrading the software.

Update & verify software

Update software

  1. Make sure your device is fully charged and connected to Wi-Fi.
  2. Swipe down from the Notification bar, then tap the Settings icon.
  3. Scroll to and tap AT&T Software Update.  
  4. Tap Check for Updates.
  5. Follow the on-screen prompts to download and install the update.
  6. The device automatically restarts once the new software successfully installs.

Verify software update

  1. Swipe down from the Notification bar, then tap the Settings icon.
  2. Scroll to and tap About phone.
  3. The device has the latest software if the Android version, Baseband version, and Build number match the current update details.

Troubleshoot software update

Previous updates

DateDetails
Aug. 1, 2018
  • What's changing: Android device security updates and bug fixes
  • Android version: 7.1.1
  • Security patch level (SPL): May 1, 2018
  • Baseband version: Z835H01
  • Build number: Z835V2.0.0B12
  • File size: 25MB
Jan. 3, 2018
  • What's new: Wi-Fi Calling and Advanced Messaging Backup & Sync
  • What's changing: Android device security updates, including BlueBorne fix and KRACK Wi-Fi vulnerability fix
  • Android version: 7.1.1
  • Security patch level (SPL): November 1, 2017
  • Baseband version: Z835H01
  • Kernel version: 3.10.49
  • Build number: Z835V2.0.0B10
  • Previous version required: Build number ending in B06
  • File size: 126.9MB

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