iOS 9 is here and the next big release doesn’t bring as many features as iOS 8 but definitely some much needed improvements and enhancements such as better battery life, smaller install files and better multitasking on iPad. The update went live a few hours ago and is around 1GB, depending on the device you are using. iOS 9 can be installed on the same devices as iOS 8:
iPhone
- iPhone 4s
- iPhone 5
- iPhone 5c
- iPhone 5s
- iPhone 6
- iPhone 6 Plus
- iPhone 6s
- iPhone 6s Plus
iPad
- iPad 2
- iPad 3
- iPad 4
- iPad Air
- iPad Air 2
- iPad Pro
- iPad mini
- iPad mini 2
- iPad mini 3
- iPad mini 4
iPod touch
- iPod touch 5th generation
- iPod touch 6th generation
You can install iOS 9 by going to Settings > General > Software Update