./update bulkcmd “saveenv” ./update flash bootloader u-boot.bin
When the BootROM fails to load the next boot stage from the primary boot media (eMMC, NAND flash, or SD card), it may fall back to UART or USB to await instructions from a host computer. This fallback is what triggers the communication attempt that generates our error message.
If you still see "Bootrom error wait for get," the device is not forcing BootROM mode. You must physically short two pins on the motherboard. This is scary, but necessary.
Watch your flashing software on the PC. Once the software changes status to "Connected" or "Get Device," . Proceed to flash the correct, verified stock firmware. Conclusion You must physically short two pins on the motherboard
The built-in bootloader requires highly specific parameters to parse the GET signal packet:
: The most common mistake. The serial adapter's Transmit (TX) pin must connect to the STB's Receive (RX) pin, and vice versa.
To troubleshoot effectively, we must understand each component of the error string. Once the software changes status to "Connected" or
Carefully open the plastic housing of the STB to expose the printed circuit board (PCB).
This error appears when your box is in MASK ROM mode incorrectly. You need to force it into .
I’ve been battling the infamous for the last 48 hours, specifically the dreaded "Wait for GET please check STB UART receive" message. If you’re seeing this while trying to unbrick your Android TV box (S905X, S912, S905W, etc.) using the USB Burning Tool (Amlogic), you know the frustration. disables the interface
Because the message notes the device's production fuses (eFuses) are permanently blown to require cryptographic validation. If you attempt to pass a generic or open-source u-boot file over UART without passing a valid security handshake first, the BootROM instantly enters a secure panic mode, disables the interface, and stops transmitting data. D. Signal Noise on the UART Bus during Boot
USB download mode not enumerating
