iOS 11.2.5 beta 1 just got released now. Get the direct download links for all ipad models here. Just tap on the download button to start downloading the ipsw file automatically.
For iPhone Users. Click Here .
This is without the USE of developer account or UDID. So just use this method to bypass the activation and use it freely. Install it via iTunes.
How to install ios 11.2.5 beta 1 iPSW Without Developer or UDID
To install follow this process