The interesting point here is that an off the shelf consumer product has been approved by NATO for any level of classification for the first time, not which level of classification.

> The devices are now officially approved to handle classified NATO information up to the "restricted" level. This is not about specialized, rugged phones built for the military or locked-down, government-only hardware. It applies to regular iPhones and iPads running standard iOS 26 and iPadOS 26. According to Apple, no other consumer devices have this distinction.

https://www.zdnet.com/article/apple-iphone-ipad-nato-classif...