version C771M070. Specifically, it includes a fix to the handset’s proximity sensor, and more importantly, users should expect to see less lag with its operation. Indeed, they’re all nice touches that make this rugged style handset so unique.
So if you haven’t seen that notification light up your phone, then you can always initiate the manual process yourself – but in the meantime, it’s always a good idea to back things up just in case something catastrophic happens.
source: Verizon via Android Central