Question: what iphone are they on?
Answer: iPhone SE (2nd generation) Year introduced: 2020. Capacity: 64, 128, 256 GB. ... 
iPhone 11 Pro. Year introduced: 2019. ... 
iPhone 11 Pro Max. Year introduced: 2019. ... 
iPhone 11. Year introduced: 2019. ... 
iPhone XS. Year introduced: 2018. ... 
iPhone XS Max. Year introduced: 2018. ... 
iPhone XR. Year introduced: 2018. ... 
iPhone X. Year introduced: 2017.