I TRY TO UPDATE IT USING TFTP BUT THIS IS SHOWING IN CONSOLE
U-Boot 2010.06-svn64409 (Jul 01 2021 - 08:52:03)
Cannot found a valid Nand Device
Hit ctrl+u to stop autoboot: 0
This program will upgrade software.
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ATTENTION!! PLEASE READ THIS NOTICE CAREFULLY! *
Don't reset machine,or...