Newer versions like Android 5.0 require more powerful processors and more RAM than version 4.4.4. Installing a newer OS on incompatible hardware can cause the system to crash or fail to boot.

Check the website of your TV box manufacturer (e.g., Beelink, Tronsmart) for firmware files.

First, verify your device's full model number and current Android version (which should be 4.4). You can usually find this information in .

Open the software and select "File" -> "Import Image". Select the downloaded Android 5.0 .img file.

The update process for Android TV 4.4.4 to 5.0 involves several steps. Please follow these steps carefully:

: Select Apply update from EXT , choose your storage device (USB or SD card), and select the update.zip file.

Once the tool status changes to "Connect Success", click the button. Do not disconnect until it reaches 100%. For Rockchip Chipsets (RKBatchTool)

This is a high-risk method that can permanently damage (brick) your TV and void your warranty. It is generally only recommended if you are familiar with XDA Developers forums or similar technical communities. Important Considerations