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Resolve Fire TV Stick Issues

This page helps you resolve common issues specific to Fire TV Stick devices when developing with Vega SDK. If you don't find a solution to your specific problem here, post an issue in Developer Forum for additional support.

Fire TV Stick constantly reboots after an over-the-air (OTA) update

Cause: Unsupported developer mode value set while using the KPI Visualizer causes boot loops after OTA updates.

Solution: Disable developer mode using one of these commands:

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   kepler exec vda wait-for-device && kepler exec vda shell vsm developer-mode disable

Or:

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   kepler exec vda wait-for-device && kepler exec vda shell vdcm set com.amazon.devconf/system/security/developer_mode disable

After running the command, the device should stop rebooting and function normally.

Fire TV Stick restarts when powered through computer USB

Cause: Insufficient power supply from laptop USB ports. The device requires up to 1 Amp at 5V, which many laptop USB ports can't provide during high CPU usage scenarios like streaming HD/4K video, audio content, or operating with weak Wi-Fi.

Solution: Use one of these options:

Option 1: Use a USB Y-Cable

Connect the Fire TV Stick using a USB Y-Cable to draw power from both your laptop's USB port and the Amazon-provided USB power adapter.

Option 2: Use a powered USB hub

Connect the Fire TV Stick through an independently powered USB 3.0 hub capable of providing 1 Amp or more.

Fire TV Stick didn't receive OTA update

Cause: Device may not be connected to Wi-Fi network or requires manual update trigger.

Solution:

  1. Open a VDA shell:

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    kepler exec vda shell
    
  2. Check your device network connection:

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    ace mw wifi_cli get_net_state
    

    The command should return networkState: CONNECTED. If your device isn’t connected, see Fire TV Stick.

  3. Force a manual update:

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    kepler exec vda shell ace mw ota forceUpdate
    

OTA update verification fails

Cause: Need to confirm the update completed successfully and matches the expected SDK version.

Solution:

  1. Check the device’s os-release version:

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    kepler exec vda shell cat /etc/os-release | grep VERSION_NUMBER
    

    Replace VERSION_NUMBER with your device's release version number.

  2. Verify the returned version number matches the latest SDK version.

Device needs factory reset

Cause: Device requires complete restoration to original state, removing Wi-Fi, remote pairing, and registration information.

Solution: Run factory reset command:

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   kepler exec vda shell vfr reset --type shallow

Terminate a running app on device

Cause: App is unresponsive, consuming excessive resources, or interfering with testing.

  1. Open a VDA shell:

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    kepler exec vda shell
    
  2. List running apps:

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    vlcm list
    

    Sample output:

    application                           type      pid     id    state          lifespan       timeout container                               launch args
    com.amazondeveloper.keplersampleapp.main       S         2719    1     VISIBLE        PERMANENT      DEFAULT framework.slice/service                 <none>
    
  3. Terminate the app using its package name:

    Example: vlcm terminate-app --pkg-id com.amazondeveloper.keplersampleapp

Uninstall the app from a device

Cause: App removal required for testing or cleanup purposes.

Solution: Run uninstall command:

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   vpm uninstall <packageId>

Replace <packageId> with you app's package ID (for example: com.foo.keplersampleapp)

Move the app between background and foreground

Cause: Testing or debugging requires changing app state between background and foreground.

Solution: To move app to background:

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   vlcm trigger-app background --inst <instance-id>

Replace <instance-id> with the one for your app.

To move app to foreground:

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   vlcm trigger-app foreground --inst <instance-id>

Replace <instance-id> with the one for your app.


Last updated: Sep 30, 2025