into the 'USB 2.0' slot on your Sunplus box. Power on the TV and the box. Navigate to Menu →right arrow Settings →right arrow System →right arrow Software Update . Select Update by USB (or "Local Update").
After the upgrade is complete and the box reboots: Upgrade Firmware Sunplus Box Tv1 20-
| Problem | Solution | | :--- | :--- | | | You flashed the wrong firmware. Repeat Method A with a different .img . | | No Wi-Fi / Bluetooth | The firmware's driver doesn't match your Wi-Fi chip. Search for a version with your specific chip (e.g., "Sunplus TV1 RTL8188"). | | Remote control not working | Copy the remote.conf or sunplus_ir.kl file from your old firmware backup. | | USB Burning Tool error: "Romcode/Initialize DDR" | This is a handshake error. Change USB ports, reinstall drivers, or try a lower-speed USB 2.0 port. | | Error: "Key mismatch" | Your box has locked bootloader. You need a signed firmware from the original factory. | into the 'USB 2
May provide a smoother navigation experience and updated menu layouts. Security Patches: Select Update by USB (or "Local Update")
Upgrading firmware wipes everything. Copy photos, Kodi configurations, and APKs to an external drive.
Press "OK" to begin. The device will show a progress bar. Do not touch the remote or power cord.