![iOS 15 Battery Life Test🔥- iPhone 7 vs iPhone 8 vs iPhone 7 Plus vs iPhone 8 Plus Battery Test 2021 - YouTube iOS 15 Battery Life Test🔥- iPhone 7 vs iPhone 8 vs iPhone 7 Plus vs iPhone 8 Plus Battery Test 2021 - YouTube](https://i.ytimg.com/vi/7sVuZWghxrU/maxresdefault.jpg)
iOS 15 Battery Life Test🔥- iPhone 7 vs iPhone 8 vs iPhone 7 Plus vs iPhone 8 Plus Battery Test 2021 - YouTube
![Apple Hub on Twitter: Apple Hub on Twitter:](https://pbs.twimg.com/media/E3TcdEbVUAkkVXN.jpg)
Apple Hub on Twitter: "These are the devices that will be supported by iOS 15. All devices that are supported by iOS 14 will continue to be supported #WWDC21 https://t.co/ogX4bNj9rD" / Twitter
![MacRumors.com on Twitter: MacRumors.com on Twitter:](https://pbs.twimg.com/media/E3C4se_XIAI7LNd.jpg)