Bootrom Error Wait For Get Please Check Stb Uart Receive Google Verified Official
The standard baud rate for most Amlogic, Rockchip, and Allwinner STBs is 115200 . Try this first. If using specialized low-level factory flash tools (like Amlogic USB Burning Tool or MTK Flash Tool), try switching the port speed to 921600 or letting the tool auto-detect.
If you would like to pinpoint the exact recovery files or steps needed for your device, please tell me: What is the of your Set-Top Box? The standard baud rate for most Amlogic, Rockchip,