Extract the .rar file and copy only the .bin file directly to the root directory of the USB drive. Do not put it in a folder. 2. Board Setup
The indicator light on the key board will start flashing (often red/green or fast red), indicating the firmware is being installed. Download SK105A 1600X900 Firmware USB rar
Once the light stops flashing or turns to a steady color (e.g., Green), the update is done. Extract the
The process usually takes about 1 minute . Do NOT disconnect the power during this stage, as it can brick the board. Download SK105A 1600X900 Firmware USB rar
Before powering on, verify the screen's input voltage requirements (typically 3.3V, 5V, or 12V). Set the jump cap on the mainboard to the correct voltage to avoid damaging your panel.