What or processor (e.g., HiSilicon, Amlogic) you are working on Which flashing software (e.g., HiTool, PuTTY) you are using
Most HiSilicon, Amlogic, and Rockchip STBs use a baud rate of 115200 . However, some specific bootloaders require 57600 or 9600 . Refer to your specific device documentation. What or processor (e
Release the short immediately once the flashing tool shows a connection matrix and begins downloading the recovery image. What or processor (e.g.
: UART is a communication protocol used for serial data transmission. In the context of your device (like a Set-Top Box or STB), it's used for debugging and communication purposes. PuTTY) you are using Most HiSilicon
Error appears exactly 5 to 10 seconds after powering up the STB or Wrong Pin Layout