iOS 11.2.5 beta 3 iPSW firmware is released today on 3rd january 2018, Wednesday. Get the direct download links for all ipad models here only at iPSWBETA. 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.
How to install ios 11.2 beta 5 iPSW Without Developer or UDID
To install follow this process