Software update for the ZTE ZMAX 2 (Z958)
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Software update for the ZTE ZMAX 2 (Z958)

Latest update
Getting started
Update & verify software
Previous updates

Latest update

The updates
  • What’s changing: Android device security updates
The details
  • Release date: July 26, 2018
  • Android version: 6.0.1
  • Security patch level (SPL): April 5, 2018
  • Baseband version: Z958H01
  • Build number: Z958V1.0.0B28
  • File size: 30MB

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

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

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

To troubleshoot the software update

Previous updates

DateDetails
Sept. 13, 2017
  • What’s changing: Android device security updates
  • Android version: 6.0.1
  • Security patch level (SPL): August 1, 2017
  • Baseband version: Z958H01
  • Kernel version: 3.10.49
  • Build number: Z958V1.0.0B27
  • Previous versions required: Z958V1.0.0B26
  • File size: 27.2MB
June 19, 2017
  • What’s changing: Android device security updates
  • Android version: 6.0.1
  • Security patch level (SPL): June 1, 2017
  • Baseband version: Z958H01
  • Kernel version: 3.10.49
  • Build number: Z958V1.0.0B26
  • Previous versions required: Z958V1.0.0B25
  • File size: 6MB
March 27, 2017
  • What’s changing: Android device security updates
  • Android version: 6.0.1
  • Security patch level (SPL): March 1, 2017
  • Baseband version: Z958H01
  • Kernel version: 3.10.49
  • Build number: Z958V1.0.0B25
  • Previous version required: Z958V1.0.0B24
  • File size: 8MB
Dec. 20, 2016
  • What's new: Android 6.0 Marshmallow
  • What’s changing: Android device security updates
  • Android version: 6.0.1
  • Security patch level (SPL): November 1, 2016
  • Baseband version: Z958H01
  • Kernel version: 3.10.49
  • Build number: Z958V1.0.0B24
  • Previous versions required: Build number ending in B12, B19, or B21
  • Hardware version: u02A 
  • File size: 1.1GB
Sept. 23, 2016
  • Android device security updates
  • Android version: 5.1
  • Security patch level (SPL): September 1, 2016
  • Baseband version: Z958H01
  • Kernel version: 3.10.49
  • Build number: Z958V1.0.0B19
  • Previous version required: Z958V1.0.0B18
  • File size: 47.3MB
July 6, 2016
  • Device network enhancements
  • Android Version: 5.1
  • Baseband Version: Z958H01
  • Kernel Version: 3.10.49
  • Build Number: Z958V1.0.0B18
  • File Size: 52.7MB
May 27, 2016
  • Security enhancements
  • Software Version: Z958V1.0.0B17
  • Baseband Version: Z958H01
  • Kernel Version: 3.10.49
  • Build Number: Z958V1.0.0B17
  • File Size: Up to 40MB
Nov. 5, 2015
  • Accessibility Enhancements
  • Software version: Z958V1.0.0B16
  • Baseband version: Z958H01
  • Build number: z958V1.0.0B16
  • File Size: Up to 43MB
Oct. 1, 2015
  • Native Browser Enhancements
  • Call Screen Improvements
  • Software version: Z958V1.0.0B14
  • Build number: z958V1.0.0B14
  • File Size: 28.3MB

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