How to update the software
How to update the software
iPhone 5s, iOS 12
Marking your own post as Solved may prevent others from trying to help because they think you have fixed your problem.
Update what software? If you are asking about an IOS update, an iPhone 5s can't be updated past IOS 12.
See the article(s) below.
iOS 14 and iPadOS 14 Compatible Devices. *
iOS 13 and iPadOS are compatible with these devices - Apple Support. *