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SIK Radio earlier versions

Does anyone know where I can find V1.7 and V1.9 firmware
I have one radio that has v1.9 and want to install v1.9 on a second radio.
Is there a way to copy from 1st radio to a 2nd radio
I use MP SIK Radio.

I was just looking for 1.9 too and found it here:

Servers by jDrones