According to the Schuberth support forum, firmware release 1.1 reduces volume levels to better support the new, thinner speakers built into the C4 production starting 2018. If you have the "older" C4, you don't need it. In addition, you can set VOX sensitivity now (3 levels low-med-high)
Current: 2014 BMW K1600 GTL Exclusive
2012 Silver BMW C650 GT
History: HD Ultra Classic CVO, HD Heritage Softail, Honda 1100 ACE, Honda Spacy 125, Suzuki XT 125, Puch Maxi
Our most frequent mistake is to believe that others think the same as we do.
Last edited by HDBeemer; 03-05-2018 at 03:04 PM.