IOS 12.1.2 beta is still signed the build number is 16D5024a for those who want to update or drowngrade

As far as i know there was only the 1 beta for 12.1.2 so get there quick before they stop signing it
Go
HERE for a list of downloads for the betas
There is a tutorial on how to check is a firmware is still signed or not the link is
HERE