5. Release the button when "Updating Firmware" appears on screen.
Always ensure you have the exact firmware for your specific hardware ID, as installing the wrong version can permanently disable the box.
Upgrading the firmware on a Sunplus-based Android TV box typically involves either a simple online update through the device settings or a manual flash using a USB drive if the system is unresponsive. Firmware Upgrade Report: Sunplus Box TV1 20
Search for firmware using this pattern: Sunplus SPHE1508 TV1 20- [your PCB version] [WiFi chip] Upgrade Firmware Sunplus Box Tv1 20-
Warning: Absolutely do not turn off, unplug, or press any buttons on your remote while the progress bar fills up. Step 4: Finalize and Reboot
Ensure your device remains plugged in throughout the entire process; a power loss during an upgrade can permanently damage (brick) the box. Upgrade Methods 1. USB Flash Drive (Most Common)
Verify the firmware version matches your hardware (check the "Version" or "About" menu). Upgrading the firmware on a Sunplus-based Android TV
There are two main methods to upgrade these boxes.
: Patching core code eliminates unexpected system reboots, UI lag, and freezing during channel switching.
: Reformat your storage tool to FAT32 and place the firmware package back onto the root directory. Remove all other media files from the drive. Error: Device Trapped in a Bootloop Stage Upgrade Methods 1
The firmware you installed likely had a different remote control configuration file embedded. You will need to flash a compatible version using an RS232 serial upgrade cable or use a universal programmable remote.
Reconfigures kernel memory allocation to eliminate system freezing, random boot-loops, and memory leaks during extended operation.
: For Sunplus‑specific chips, the Sunplus Loader Tool V1.5.0.8 is known to work with models 1506G, 1506T, 1506C, 1507G, 1506F, 1506A, 1503, 1505, and 1512.