Rustler Posted April 8, 2015 Report Posted April 8, 2015 On April 1, 2015, Garmin e-mailed notice of Service Bulletin 1525 GTR 225 GNC 255 Software Upgrade to Display Software Version 2.10 and COM Software Version 2.20, and Service Bulletin 1526 GTN 635 650 750 Software Upgrade to COM Software Version 2.20 to owners of those units. Both SBs are listed as voluntary for compliance. Since I am about to embark on a 2-3 week trip, I had my avionics shop do both upgrades today. Since they are voluntary, the shop charges for the service. It cost me $60. Michael N414MS Quote
Rustler Posted April 9, 2015 Author Report Posted April 9, 2015 Oscar-- Maybe. maybe not. It depends upon whether or not you've experienced any of the "problems" the upgrades fix. I like to keep stuff up to date, but that's just me. Inasmuch as they are voluntary, everything should continue to work just fine. Quote
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