Is iOS 14 3 Beta Stable?

Is the iOS beta 14 stable?

While iOS 14 introduced the ability to install a stable public build or the current beta build, they have to be from the same base. Meaning that, in order to participate in the iOS 15 beta, you’ll need to delete the iOS 14 beta profile from your phone. Keep in mind this is beta software. Things will go wrong.

Does iOS 14 beta 3 mess up your phone?

In a word, no. Installing beta software will not ruin your phone. Just remember to make a backup before you install iOS 14 beta. Apple developers will be looking for issues and providing updates.