Download the latest released iOS 11.3 beta 1 ipsw file for your iphone or ipad models.
The new beta was released after the release of ios 11.2.5 beta 7. The new beta release is expected to have new features and more bug fixes. Lag improvements and other major and minor updates.
You can download the ipsw directly from here using the links and install it on your iPhone or iPad using iTunes. Dont forget to backup your data before installing the iphone ios firmware.
iOS 11.3 Beta 1 iPSW for iPhone
- iPhone X
- iPhone 8, iPhone 7
- iPhone 8 plus, iPhone 7 plus
- iPhone SE, iPhone 5s
- iPhone 6s, iPhone 6
- iPhone 6s plus, iPhone 6 plus
iOS 11.3 Beta 1 iPSW for iPad
- iPad Pro (10.5-inch), iPad Pro (12.9-inch) (2nd generation)
- iPad (9.7-inch)
- iPad mini 4, iPad Air 2, iPad mini 3
- iPad Pro (9.7‑inch)
- iPad Pro (12.9‑inch)