https://wccftech.com/ios-11-2-beta-2-now-available-devices-download-now/

Apple has released iOS 11.2 Beta 2 for all devices. Apple released the firmware last week for iPhone X only.

Soon after the release of iPhone X, Apple released iOS 11.2 Beta 2. Surprisingly, that beta was only available for the iPhone X. Fast forward to this day and Apple has opened its floodgates, brining iOS 11.2 Beta 2 to every supported device there is. So, if you are going to download the update, it’s a simple case of grabbing it over the air, provided you have the initial beta already installed. Given that you have, follow the steps as they are written below.