Article ID : 00263101 / Last Modified : 05/26/2021

ERROR: 4057 is displayed on the TV screen, software update failed, or can't access IPTV app

    IMPORTANT: This article applies only to specific products and/or operating systems. Check Applicable Products and Categories for details.

    If you encounter an issue when you launch the IPTV app, the Refresh Internet Content procedure suddenly starts, and the services listed in All Apps disappear follow the steps below.

    Perform both Initialize Personal Information and Refresh Internet Content procedures.

    1. Initialize Personal Information procedure to clear the cached data files:
      1. On the supplied remote control, press the HOME button, and then select Settings.
      2. Select Customer Support.
      3. Select Initialize Personal Information.
    2. Perform the Refresh Internet Content procedure:
      1. On the supplied remote control, press the HOME button, and then select Settings.
      2. Select System Settings.
      3. Select Set-up.
      4. Select Network.
      5. Select Refresh Internet Content.

      Note: If the issue is still not resolved, perform a Factory Settings procedure to reset your TV to the factory default values.

    3. Factory Settings reset procedure
      1. On the supplied remote control, press the HOME button, and then select Settings.
      2. Select Customer Support.
      3. Select Factory Settings.

      Notes:

      • The Factory Settings procedure returns all settings to the factory default values. After completing this process, the initial set-up screen is displayed.
      • Don't turn the TV off or press any buttons during this procedure (it takes about 30 seconds).

    4. Launch the YouTube™ service and then follow the instructions to perform a software update.