iPhone models 4, 4s and 5 from AT&T and T-Mobile are only compatible with AT&T and T-Mobile's GSM network. iPhone models 5c, 5s, 6, 6+, 6s, 6s+ & SE were designed to support all major network bands and are compatible with all major network providers. No matter GSM or CDMA, Sprint, or Verizon, these iPhone models will work on any carrier. Quick answer. The original iPhone debuted in 2007 and started at $499, which, when adjusted for inflation, is $739 in 2023. For comparison, the recently launched iPhone 15 starts at $799. So, the What is the difference between Apple iPhone 4S and Apple iPhone 4? Find out which is better and their overall performance in the smartphone ranking. How is the newest Apple iPhone 4S different from the last? Scott Lowe and IGN compares the biggest features and differences. IGN's YouTube is just a taste of our content! Apple iPhone 4 smartphone. Announced Jun 2010. Features 3.5″ display, Apple A4 chipset, 5 MP primary camera, 1420 mAh battery, 32 GB storage, 512 MB RAM, Corning Gorilla Glass. MtH5.