[chirp_users] UV-B5 upload with "Radio NAK'd block at address 0x0000"

Cody P Schafer dev at codyps.com
Fri Apr 24 18:16:29 PDT 2015

On Fri, Apr 24, 2015 at 7:44 PM, Cody P Schafer <dev at codyps.com> wrote:
> I've seen some other postings about higher addresses failing, but none
> about block 0 failing.
> This is a "27 menu" model of the uv-b5.
> Downloading works fine.
> Unmodified image here:
> http://vcr.einic.org/~nyx/uv-b5_orig.img
> I've tried uploading both modified and completely unmodified images to
> the radio. All fail with the same "Radio NAK'd block at address
> 0x0000" error.

A bit more info:

After resetting the uv-b5 via the startup menu (hold menu and power
on), I was able to:

  - download an image
  - partially upload that same image (Ended with "Radio NAK'd block at
address 0x0f00"

After doing this, the radio:

  - no longer accepts new images (appears in the same state as it was before)
  - displays a lock icon on the display
  - doesn't appear to let me get back to the initialization menu

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