Use a pair of metallic tweezers to short the CLK pin to a Ground (GND) pad.
Use commands like update or bootloader to initiate flash mode via UART. When is it Permanently Broken? Use a pair of metallic tweezers to short
Bootrom Error: Wait for Get... Please Check STB UART Receive (Complete Guide) a set-top box
Here’s a technical draft based on your query. It interprets the likely context (e.g., a set-top box, Android TV device, or embedded system with a UART debug interface) and explains the error message. Android TV device
: The STB must be triggered into a specific flashing mode. If the device boots normally into Android instead of entering the bootloader, the UART handshake will fail.