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Motorola CM200 Firmware Updating

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Premium Subscriber
May 16, 2014
Good Morning Everyone,
Needing some help here. I have three CM200’s that I would like to update the firmware on, I have obtained the firmware update from my MOL account, so there’s nothing illegal going on here. My question here is how I get the radio into bootstrap mode? When I’m trying to update it tells me to put the radio in bootstrap mode to complete the update. Is there a special cable I need? Is there a sequence of buttons i need to push when powering on the radio? Do I need a certain type of flash adapter for this? Please let me know, and don’t hesitate to ask for more information for you to help me out. All is appreciated. Thanks.


Mar 14, 2004
CM Series had a bootstrap pin on the programming cable, which required pin 7 to get +5v on startup to put the radio in bootstrap mode for firmware programming.


this is a screenshot right out of the cm200 service manual, as pin 7 is exclusive for that operation, you could put a switch on your programming cable connecting pin 7 to a stable 5v and you can program firmware whenever you needed. That is what I did.
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