I think so. I'm still kind of testing it out but this flash does seem to fix the "Default ring @ 15." It doesn't add a master ring volume setting on the U Connect unit - your phone now controls the ring volume, which seems like a good enough fix to prevent premature deafness. It will ring loud...
OK, I did receive a reply today from Jeep and they recently released "TSB is 08-084-19 REV. A," which addresses and I quote: "Ring tone too loud" along with 19 (nineteen! other radio issues). I would have liked to have seen something like "MASTER ring volume control," but oh well. Am waiting on...
I've been having the ring volume issue for almost 10 months now with my UConnect 7"(Bluetooth or wired to my iPhone) and have been told that "15" is the default ring volume and there is no way to change it. The 4th time the Wrangler went into service, they updated the firmware to version 182808...