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Upgrade firmware on a Motorola Astro Spectra

Posted: Sat Sep 20, 2014 11:32 pm
by kb9mwr
The old school way.

I have access to a EEPROM programmer for anyone in need :-)

https://www.youtube.com/watch?v=BGxVC3lLJ4A

Re: Upgrade firmware on a Motorola Astro Spectra

Posted: Thu Sep 19, 2019 8:36 pm
by kc9uhi
For upgrading an Astro Spectra Plus, you'll need to connect thru the mic port... with an unobtainable connector. d-sub pins, shrink wrap, and hot glue were used once with success.

Better method -- 3d-printed connector

Image