I take it you mean the 250W fw. The MD5 checksum of the .rgn file created myself is identical to the one you provided. Therefore safe to say the .rgn file is OK. I therefore continued with the next instruction:
Flashing the new .rgn file (including the 465 logo) failed. Just as the progress bar wants to start at 0%, the GPS unit terminates preboot mode. Result is a failed flash (not a bricked unit though). Tried few times, same result:
Maybe worth giving the other method a try?
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