The base iPhone 17 will still feel familiar, but the iPhone 17 Pro models have a completely new look, and there's a brand-new model called the iPhone Air. If you're considering an upgrade, which iPhone 17 model should you get? I'll break down the key differences and similarities among the iPhone 17 lineup, so you can make an informed choice. If you're set on buying an iPhone 17 model, we have a guide on how to sell your iPhone so that it doesn't just collect dust in a drawer. The SimilaritiesLet's quickly talk about the similarities across all the iPhone 17 models this year, and yes, that includes the iPhone Air, even if it doesn't have “17” in the name.