ios 18 to ios26 update iphone xs

Sorry but the iPhone XS does not support iOS 26 due to hardware limitations. You'll need to purchase an iPhone 11 at a minimum to run it. Any future updates your iPhone receives will be dot updates (18.x.x.), for bug fixes or security patches, and won't go past iOS 18.

Unfortunately, you can't have what you want. The XS is not compatible with iOS 26.

iOS 27 will be available soon. Time to start looking for a new phone that will work with iOS 27. Here's the list:

To be clear, iOS 18 is the last major version which is available for an iPhone Xs.