If you are interested in a rumor on what the next iPhone might look like, click on the link below. The phone is speculated to have an OLED screen, which consumes much less power, and is flexible. More info on OLED's in this link: http://electronics.howstuffworks.com/oled5.htm .
Jim Hamm
http://www.phonearena.com/news/Final-Apple-iPhone-8-schematics-allegedly-leaked-by-Foxconn-insider_id93157