It’s at the oldest on the list for iOS 17, so probably not iOS 18 but likely still another 2-3 years of security updates. As far as the battery, go to Settings > Battery > Battery Health & Charging. That will tell you the current max charging capacity.
It’s at the oldest on the list for iOS 17, so probably not iOS 18 but likely still another 2-3 years of security updates. As far as the battery, go to Settings > Battery > Battery Health & Charging. That will tell you the current max charging capacity.