The cell phone is model MA712LL I don't know about OS. Yes it still syncs. When holding the phone vertical, top up, than the four buttons on bottom do not work. When I use the calculator, for example, in vertical position I cannot use the 0, ., or the = buttons. When I hold the calulator horizontal, widescreen with the ear piece to the left,, than i cannot use the =, +, -, x, or mr buttons. when i turn it over with the mouth piece on the left than i cannot use the deg, sinh, sin, x!, 1/x, or 2nd buttons. I have bought a new iPhone and was going to use my old one as an iPod but the music button on the bottom row will no longer activate my music. Is there a way to move that button to the middle of the display screen, or have the display screen rotate when looking at it on widescreen?