True - and the 4S was a HUGE upgrade (okay, debatable) over the 4 with Siri.They used to do “S” years before the iPhone 7. But it didn’t mean anything. The 6S was such a superior phone compared to the 6.
The 5S was a huge step, introducing Touch ID ☝️True - and the 4S was a HUGE upgrade (okay, debatable) over the 4 with Siri.
5S though, I don't recall offering any significant benefit at all over the 5 other than later iOS support.
Same here - 12 - 14 - 16.....Currently done regular 12, 14 Pro and now 16 Pro. Been on a renewal of a 2 year contract each time.
Previous upgrades were Nokia N95, 3GS, 4s, Galaxy S4, 6s broke and got an 8 mid cycle, then Huawei P30 Pro and then paid £180 to upgrade early to iPhone 12.