http://www.techradar.com/news/apple-may-not-throttle-your-iphone-x-or-iphone-8

It’s now well-known that Apple has been slowing down iPhones as they age, but if you’re worried that the same thing will be done to the iPhone X, iPhone 8 and iPhone 8 Plus you might not need to be, as the company has suggested that it may not need to throttle them.

The slowing of phones was to prevent unexpected shutdowns, but The Verge reports that in a letter responding to questions from Senator John Thune, Apple said: