My iPhone has been used for about 3 years so as to it has a lot of junk files left and always make me feel crazy. Does...

Go to the after service and let them have a check on your phone.

Hey guys, why not change a more cheape and powerful one? Have a try on Mac go Mac Blu-ray Player. http://blog.macsales.com/12010-play-blu-ray-movies-on-your-mac-without-converting-them-first

Take your computer to mobile repair store and they could tell you advice. Most new operation system version could replace. .