You did say you have an iPhone 5s.
What do you really have?
You can input the serial number in one of the sites that offers Apple information about exact models, etc.
Here's an Apple support page, which will tell you what you really have, by the serial number.
https://checkcoverage.apple.com
Have you updated to iOS 12?
What do you really have?
You can input the serial number in one of the sites that offers Apple information about exact models, etc.
Here's an Apple support page, which will tell you what you really have, by the serial number.
https://checkcoverage.apple.com
Have you updated to iOS 12?