No repl after upgrade to FW1.5.1.b1 with new FW updater tool (SOLVED)

  • Hello,

    I had a problem that the board wasn't accessible anymore via repl or visible via IP address after upgrade of the firmware. The LED was RED without blinking.

    I solved the issue by redoing the same firmware upgrade but now without the high speed.
    This worked. Perhaps interesting for others with the same issue.

    Best regards,


  • Thank you for sharing. Btw, I've always uncheck High speed transfer option, because simply it never worked for me. ;)

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