The serving cell info is most valuable one.. On the 6, the FREQ BAND INDICATOR will show what band you are on (25, 26,41). Yours is showing 1092552756. And with your speed, you are likely on B41 CA. Maybe a funky number in the FREQ BAND INDICATOR indicates CA..
Keep your eye on that serving cell screen for us please..
-- EDIT - the screen I meant was "Serving Cell Info"