Hold SW1 button for 10 sec → LEDs flash red 3x → release.

Do not power off your receiver during the flashing process to avoid bricking the device.

Hold the "BOOT0" button while cycling power. The status LED will flash amber, indicating Device Firmware Update mode.

Insert the USB drive, then power the receiver back on while repeatedly pressing the "Menu" or "OK" button on the remote (depending on the model). The upgrade should start automatically.

Fixes common software glitches like "Your device is invalid after flashing" or menu lag. How to Install the Software There are two primary methods to update this board type: Method 1: USB Upgrade (Standard) Download the correct file for your specific hardware ID. Copy the file to a FAT32-formatted USB drive. Insert the USB into the receiver. Navigate to Menu > Setting > Upgrade > USB Upgrade Select the file and press Do not turn off power during this process. Method 2: RS232 Recovery (Advanced)

Note: Installing this firmware on incompatible hardware versions may result in device malfunction or failure to boot.

Often includes updated protocols for Wi-Fi dongles and expanded IPTV app support (such as YouTube or TikTok). Error Correction: