First let me start by saying I know this is not supported and should NOT be used for firmware updates.

I have seen a few comments in another thread that it will work if I set the Baud rate to 56k. I found the command reference for the RN42 module but before I start hacking away at the module I was wondering if any of you can provide the commands I need to enter. I am assuming I need to do the following:

Connect though Putty
??? <-- Enter command mode
SU,57 <-- Set UART baud rate to 57,600
--- <-- Exit command mode

Then disconnect and reboot.

Is this correct?

You do not need to reconfigure your module at all.
It should be only matter of PC configuration.

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Spirit System developer

Ahh, OK, thanks. It unfortunately does not matter any more as it looks like my stupidity caused me to fry my Bluetooth module. I accidentally connected it to a battery with the poles reversed. Stupid me