Software update for the AT&T Fusion 3 (Y536A1)

Software update for the AT&T Fusion 3 (Y536A1)

Latest update
Getting started
Update & verify software

Latest update

What's changing: Device security improvements


  • Release date: December 18, 2015
  • Baseband version: 10143
  • Kernel version: 3.4.0
  • File size: 19MB
  • Software version: Y536A1V100R001C07B264

Getting started

  1. You can download the update via Firmware Over the Air (FOTA). 
  2. You must connect your device to Wi-Fi to download the update.

Update & verify software

To update the software
  1. Make sure your device is sufficiently charged and connected to Wi-Fi.
  2. From the Home screen, tap Menu > Settings > AT&T Software Update > Check for Updates.
  3. Follow the on-screen prompts to download and install the update.
  4. The device automatically restarts once the new software successfully installs.

To verify the update
  1. From the Home screen, tap Menu > Settings > About phone. 
  2. The device has the latest software if the Baseband and Software versions match the current update details.

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