It looks like the full-screen images that currently appear when calling or being called by a contact with a photo associated have been replaced by small circular icons beside the contact. Apple has tweaked the design of the keyboard in ios 7.1, making the typography a little bolder and changing the grey to a slightly darker and bluer tone. The shift and delete buttons now have white symbols, rather than the black outline icons they have in cell phone tracker with google ios 7.0. Were undecided about the new power off screen. Some of us think the circular buttons and rounded slider are an improvement over the rectangular buttons found on the power off screen currently, while others (namely me) think it looks quite horrible.