easily, the iphone 4 has three antenna (two on the bottom, and one on the top) the iphone 4S has two on the bottom and two on the top, also the iphone 4S has siri so you could hold down the home button and see if siri asks you what you need help with, but with the antenna you dont even need to unlock the device to tell
iTools uses iTunes as a base. This is a common problem when your iTunes does not support your device's iOS, meaning it's incompatible with your device until you update iTunes
iTools uses iTunes as a base. This is a common problem when your iTunes does not support your device's iOS, meaning it's incompatible with your device until you update iTunes