Apple's ultra-thin iPhone 17 Air might have just been leaked by a wallpaper found in the latest iOS 26 developer beta.

Metal can damage the internals, and cotton swabs would leave behind more debris. How long will this take to clean? Most of the time it will take only a few seconds to wipe down your phone.

High performance of N, P co-doped metal-free carbon catalyst derived from ionic liquid for oxygen reduction reaction. Journal of Solid State Electrochemistry 2018, 22 (2) , 519-525.