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Streaming device

Google Chromecast with Google TV 4K (2020)

Profile updated Published

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AI-assisted control
Contributor report

Use the contributor’s package list to reduce unwanted services and simplify the home screen.

AI connects to the device

Reported setupOS: Google TV 14 · Firmware: UTTC.250917.004 (14193937) · Hardware: sabrina / sabrina_prod_stable

How to get started

Compare your model, build and installed apps with the contributor guide, then use the original AI workflow with your chosen apps to keep.

Setup
Local ADB package changes and optional launcher installation
You’ll need
Local computer, shell-capable coding assistant and wireless-debugging pairing on the reported Google TV 14 build. JDK 17 and Android SDK 34 if building the launcher.
Original project github.comInstallation guide github.comAuthor’s AI workflow github.com
App or integration
Maintainer-reported device test

Show your network cameras on the TV, or bring up the front-door view from a Home Assistant automation.

Applies toThe author tested Chromecast with Google TV 4K; the Android build is unspecified. Its web controls have no login or encryption: keep them on a trusted local network.

How to get started

Install the app from the original release page. Add your go2rtc server address in its web settings; use the linked guide for optional Home Assistant control.

Setup
Sideload a TV app
You’ll need
A go2rtc camera server; ADB or a file manager to install the app.
Original project github.comInstallation guide github.com
App or integration
Model-specific setup documented

Turn the idle TV into a scenic video display or a slideshow of your own photos.

Applies toThe guide names Chromecast with Google TV HD and 4K. On Android 14, use the TV’s wireless-debugging pairing code and displayed port; the default screensaver can be restored.

How to get started

Install Aerial Views from the project’s linked store or release page, choose your media, then follow its Chromecast instructions to make it the default screensaver.

Setup
TV app plus a one-time ADB setting
You’ll need
Computer or phone with ADB for screensaver setup.
Original project github.comInstallation guide github.com
Replacement firmware
Project-supported model; restricted unlock route

Replace Google TV with a community-maintained Android operating system on an eligible Chromecast 4K.

Applies toFor sabrina 4K only. The documented unlock requires the February 2021 security patch or earlier; newer locked devices cannot use it or downgrade to qualify. Unlocking erases data, and incorrect flashing can brick the device.

How to get started

Start with the sabrina installation guide and check the unlock requirements before downloading anything. The guide covers bootloader unlocking, recovery installation and installing the OS over USB.

Setup
Advanced: unlock, flash recovery and install the OS
You’ll need
Eligible Chromecast 4K, USB-C data cable and a computer with the guide’s ADB, fastboot and unlock tools.
Original project wiki.lineageos.orgInstallation guide wiki.lineageos.org
AI-assisted control
May work — model not reported

Ask your assistant to cast media, play or pause a video, and change the volume.

AI controls the device

Applies toMay work — model not reported. This device supports Cast, the protocol used by this server. The project does not document a result for this exact generation.

How to get started

Run the MCP server on a computer, connect your assistant and select a Cast receiver on the same local network.

Setup
Local MCP server
You’ll need
Python 3.11+, an MCP-capable assistant and a Cast receiver. Finding media by name also needs a separate search tool.
Original project github.comAuthor’s AI workflow github.com
App or integration
May work — model not reported

Give your TV a cleaner home screen with organized apps, custom banners and an OLED-friendly screensaver.

Applies toMay work — exact generation not reported. This Android/Google TV device fits the launcher's platform scope. Check app installation and Home-button behavior on your software build.

How to get started

Install the project's APK, arrange your apps and follow its default-home or Home Button Fix instructions.

Setup
Install an Android TV launcher
You’ll need
Android TV or Google TV with app installation available. Home-button changes depend on the TV software.
Original project github.comInstallation guide github.com
App or integration
May work — model not reported

Replace your TV home screen with a customizable app grid, banners and a data-use widget.

Applies toMay work — exact generation not reported. This Android/Google TV device fits the launcher's platform scope. Check app installation and Home-button behavior on your software build.

How to get started

Install a release APK, choose your layout, then follow the Home-button remapping or supported ADB setup.

Setup
Install an Android TV launcher
You’ll need
Android TV or Google TV; a computer with ADB for the optional home-activity setup.
Original project github.com
App or integration
May work — model not reported

Use a simple, ad-free TV home screen with your own app rows and categories.

Applies toMay work — exact generation not reported. This Android/Google TV device fits the launcher's platform scope. Check app installation and Home-button behavior on your software build.

How to get started

Install from the project's Play Store link, then follow its Home-button remapping guide. The ADB alternative has device-specific steps.

Setup
Install an Android TV launcher
You’ll need
Android TV and, for Home-button remapping, the app named in the guide. The ADB alternative needs a computer.
Original project gitlab.com

Security

Checked

Device-specific sources reviewed.

Model advisories

Selected highlights

Prioritized by known exploitation, severity, then date.

CVEs published · · · Advisory published

CVSS 7.8 (v3.1)

Chromecast with Google TV (4K), the 2020 model

Google's December 2025 graphics-driver fixes

CVE-2024-6790CVE-2025-0050CVE-2025-0427CVE-2025-0819

Affected firmware
Devices missing the December 2025 fixes. Google does not state an earliest affected firmware build.
Manufacturer fix listed in
Security patch level 2025-12-01 or later
Read Google advisory
Details and sources

Google lists fixes for four Arm graphics-driver issues. Check the device's security patch level and available system update.

Three issues concern privilege escalation and one can stop the device working. This advisory does not assess the software currently installed on your unit.

Manufacturer fix — Security patch level 2025-12-01 or later ↗
CVE-2024-6790 published CVE-2025-0050 published CVE-2025-0427 published CVE-2025-0819 published
Check more security advisories for this device · CVE.org