For what it's worth, I also use an iphone 4. I like the size and don't really care about apps that require a more recent ios version. Unfortunately, it no long

For what it's worth, I also use an iphone 4. I like the size and don't really care about apps that require a more recent ios version. Unfortunately, it no longer accepts my off-brand charging cable, and even using a (borrowed) official Apple cable results in the dreaded "accessory might not be supported" error. The repair place cleaned out the port and says the battery is fine. Most likely the port itself has broken ... and that part is not replaceable :( Now I'm limping along on a loaner phone from a friend and torn between buying another 4 (or 5), or buying a 6 in 2 months after the 7 comes out. :(