i unable to update latest software in ipone6
my current software in my mobile iOS 12.5.5 i need to update latest software but unable to do please advise
iPhone 6, iOS 12
Question marked as
You cannot update an iPhone 6 to anything later than iOS 12.5.6 - the phone's hardware just isn't capable of running it.
If you need to use something newer, you will need to buy a new iPhone.
About iOS 12 Updates - Apple Support