Software update for the AT&T Maestro Plus (V350U)
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Software update for the AT&T Maestro Plus (V350U)


Latest update
Getting started
Update & verify software
Previous updates

Latest update

The updates
  • What's changing: Security patch level
The details
  • Release date: June 15, 2021
  • Android version: 10
  • Security patch level (SPL): June 1, 2021
  • Baseband version: MPSS.HA.1.0-00519.5-KAMORTA_GEN_PACK-1.328633.2
  • Software version: V350U_A1_210526
  • File size: 131MB

Getting started

  • Make sure you’re in the U.S. and on our wireless network.
  • 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 backing up your media files to an SD card, a computer, or using a favorite application before 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 and select Settings.
  3. Scroll to and select Software Update, then Check for Updates.
  4. Follow the on-screen prompts to download and install the update.
  5. The device automatically restarts once the new software successfully installs.

Verify software update

  1. Swipe down from the Notification bar and select Settings.
  2. Scroll to and select About phone, then Android version.
  3. If the Android and Software versions don’t match the current update details; perform additional updates until they do.

Troubleshoot software update

Previous updates

DateDetails
April 20, 2021
  • Android version: 10
  • Software version: V350U_A1_210413
  • File size: 139MB
Feb. 11, 2021
  • Android version: 10
  • Software version: V350U_A1_210123
  • File size: 131MB

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