Original firmware upload OK, CEC not so much - what am I doing wrong?

Kim Cary

On my no-mods-yet v5 µBitX when I upload the UBITXV5_CEC_V1.200_16P.hex I get 16 block symbols in the LCD upper row and no function or encoder response. When I upload ubitx_20._org.hex I get a functioning radio but I'm back to where I started.

What am I doing wrong?

How can I troubleshoot this?

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