The firmware upgrade for the Sunplus Box TV1 20- series is designed to improve the device's stability and add new functionalities. While the specific "feature" list can vary depending on the exact build version (e.g., v20.xx), these updates generally focus on the following areas: Key Upgrade Features Improved System Stability:

To upgrade the firmware on a Sunplus Box (specifically models like the series), you can use the standard USB method common for Sunplus-based digital receivers. Direct Upgrade Instructions

Once the firmware upgrade completes, the box will reboot. First boot takes 5–15 minutes (be patient).