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Trying to unbrick my APX120

I am using the instructions to unbrick my APX120 from this post, but I have run into issues below:

I can't seem to save the environment variables. When I run the "saveenv"

It says:

Saving Environment to NAND...
Erasing Nand...
Attempt to erase non page aligned data

Different error
[edited by: Aaron Bains at 11:59 PM (GMT -7) on 18 Sep 2023]