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Operation Cell Phones Last Updated 02/26/2018

The latest software for the LG G4 AT&T is Android Marshmallow, software version H81022c.

To check software version:

  1. From the Home Screen, tap Apps > Settings > General tab > About phone

  2. Tap Software info.

  3. View the current software under Software version.

Select software for more info:

    • General maintenance
    • Android Security Update
    • General maintenance
    • Wi-Fi Calling updated
    • AT&T Advanced Messaging updated
    • Android 6.0 Marshmallow Software Update
    • General maintenance
    • App updates
    • General maintenance
    • Security updates (including Stagefright)
    • App updates
    • Security updates
    • General maintenance
    • General maintenance
    • App updates

Software Update

  1. When the software update is available, you receive a notification prompt.

Note: If prompted, connect to a Wi-Fi network to download the software update. To start download after enabling Wi-Fi, tap Apps > Settings > General tab > About phone > Update Center > Software Update > Continue update.

  1. Tap Download. While the software is downloading the software download icon will display in the status bar.

  2. Once downloaded, tap Continue to install. Your device will restart to perform the update.

  3. When the update is complete, your phone will restart and transition through a series of alerts stating Android is upgrading. Once your phone has powered on you will be notified that the software update successfully installed. Tap OK to close the notification.


Note: Your device's date and time must be set correctly to receive the latest update. Go to Settings > Date & Time (may be found under General Tab) to set.

If you have not been notified of an available software update, you can manually check if one is available.

  1. From the Home Screen, tap Apps > Settings > About phone  > Update Center > Software Update.

  2. Tap Update now to manually check for a new update.

  3. You will be prompted if a new software update is available. Continue from Software Update, step 1.

Software Update for this model is only supported by AT&T via Over-The-Air. Please contact your wireless provider if you have not received the latest update.


Yianni is a Mobile Device expert and author of this help library article. Please leave him feedback below about the content of this page.

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