This Quick Video Will Show You How To Install GpsPhone On Your iPhone 4, 3Gs, 3G, iPod Touch 4th, 3rd, 2nd Gen, And iPad. Also Some Roms Too. This Works On Any Firmware Including 4.2, 4.1, 4.0.2, 4.0.1, 4.0, 3.1.3, 3.1.2 And On And On. No Computer Required !!! IF THIS IS NOT WORKING ON 4.2.1 Watch this: www.youtube.com Remember, Only Download Games That You Own! 1. Jailbreak Your Device And Open Cydia : www.youtube.com 2. Add These 2 Sources cydia.xsellize.com apt.123locker.com IF XSELLIZE SOURCE DOES NOT WORK TRY THIS: sinfuliphonerepo.com Search For GpsPhone And Install Gps Phone + Bios, Then Search For Roms And Install The Rom Pack. 3. Please Subscribe :D Its Too Easy! EverythingApplePro