I love how it is time stamped December 3rd 2015. 42 days to push it out.
I've noticed a substantial system speed improvement. I wiped the phone yesterday in preparation of taking this update. Even from a factory reset it was lagging.... so far in 5.1.1 everything seems as peppy as when it was running kitkat. I've loaded up many apps and its still going strong.
Battery, I've lost 27% during the flash... but it even tells you to recharge after the update. Guess I won't know if this upgrade helped my battery and radio issues until later... does look promising though.