How do I locate and update my iOS?
iOS is Apple's operating system that is periodically updated by Apple. You will need to update your iOS on your phone to have the latest features. FatStax only works with the 2 latest features and you will have to keep your device updated for FatStax to work properly.
1. To view your iOS
1.1. Tap on the iPhone Settings
1.2. Tap "General"
1.3. Tap "About"
1.4. Version is your iOS
2. Update your iOS
2.1. Tap on the iPhone Settings
2.2. Tap "General"
A red number will appear next to General if there is a newer version of the iOS available.