Question marked as Top-ranking reply
Jun 21, 2025 8:27 PM in response to Emmilymom
You might want to do this, but you cannot do this.
If you want to run iOS 16, you need an iPhone 8, iPhone 8 Plus or iPhone X.
But, since you will be looking for a new phone, it would make more sense to look for a newer model that can run iOS 18, like an iPhone 15 or 16