T0Mlol Posted January 11, 2010 Report Share Posted January 11, 2010 shouldn't I 'back-up' what firmware is on my current AVIC 700BT model now? If something goes wrong during the 3.0 installation, can't I just insert my old firmware and install that again or does it now work like that? If I do need to back up stuff, how would I go about doing this? Quote Link to post Share on other sites
crilleym Posted January 11, 2010 Report Share Posted January 11, 2010 Read the 1st thread of this forum "how to". Everything you need is right in there. Quote Link to post Share on other sites
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