If you can tell me the of your TV box (usually found on the bottom), I might be able to help find a more specific firmware download link .
: Using the wrong firmware will permanently disable your device.
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Android 5.0 Lollipop breathes new life into old hardware, but it is not magic. Your 4.4.4 device will never become an NVIDIA Shield. However, for enthusiasts who enjoy tinkering, successfully upgrading from KitKat to Lollipop is a rewarding project that teaches you the inner workings of embedded Android.
Check the website of your TV box manufacturer (e.g., Beelink, Tronsmart) for firmware files. If you can tell me the of your
Depending on your device type and available ports, choose one of the three primary installation pathways below. Method A: The USB Recovery Flash (Recommended)
Download and install the correct USB drivers and flashing tool for your chipset onto your PC. Launch the burning tool application on your computer. This link or copies made by others cannot be deleted
Most Android TVs allow you to check for and install updates directly through the interface if the manufacturer has released a newer version for your specific model. Press the Home button on your remote.
Connect the male-to-male USB cable from your PC to the specific USB port on the TV box (usually labeled "OTG" or USB Port 1).
Note: If your TV is very old, the manufacturer may have stopped releasing updates, meaning the OTA check will not find a new version. Method 2: Manual Update via USB (Firmware Flash)