I got iPhone 4 it is the biggest piece of a junk a got today, can't get to work. Call Apple no results, call AT T, they go to bed at 10:00pm, the P4 is a big piece of junk, remember me windows counterpart install reinstall reboot. I have iMac 24" core 2 duo 2.8mzh. I have use Apple in the past 15 years never had a problem, but the P4 is a big piece of crap......