Integration of Dolby Digital Plus audio decoding provides better sound quality and improved compatibility with modern surround sound systems.
The Sunplus Box TV 1.20 firmware update is a custom software release designed to improve the performance and feature set of digital TV receivers using the Sunplus chipset. While not an official release from Sunplus, this community-developed update focuses on modernizing compatibility and stabilizing system operations for older hardware.
The 1.20 update introduces several technical improvements that enhance both audio-visual quality and device utility: Sunplus Box Tv 1.20 Update
Enhanced support for Electronic Program Guides (EPG) , Teletext, and subtitles offers a more informative viewing experience.
Download the firmware file and save it to the root directory of a FAT32-formatted USB flash drive. Integration of Dolby Digital Plus audio decoding provides
Because version 1.20 is often distributed as custom firmware by independent enthusiasts, it is not officially supported by Sunplus. Installing it carries the risk of "bricking" the device if the process is interrupted or if the firmware is incompatible with your specific hardware revision. It is highly recommended to verify the exact model of your Sunplus box before proceeding with any manual installation.
Upgrading a Sunplus box typically requires a manual process using a USB flash drive. Users often find instructions through community platforms like the Sunplus Upgrade Facebook Page . Installing it carries the risk of "bricking" the
A message stating "Updating firmware..." will appear. Do not power off the device during this stage, as it can cause permanent damage.
Insert the drive into the TV box. While the device is unplugged, press and hold a specific button (often Power , Menu , or Reset ) on the box or remote and then plug it back into the power source.
The update adds support for MPEG-4 AVC/H.264 video decoding , enabling devices to receive high-definition (HD) channels that were previously inaccessible.