https://wccftech.com/ios-14-2-1-now-available-for-download-with-multiple-fixes/

Apple has released iOS 14.2.1 for iPhone. It fixes multiple bugs for iPhone 12 users and is an important update.

iPhone 12, iPhone 12 mini, iPhone 12 Pro and iPhone 12 Pro Max users can go ahead and download iOS 14.2.1 right now. It includes a handful of fixes, including one for iPhone 12 mini users where they might experience unresponsive touch on the Lock Screen. Experiencing issues with MMS? This update fixes that as well. There are multiple other fixes here which you should definitely care about.