Apple could be set to end production of the iPhone 12 mini as soon as the end of the second quarter this year. While it seems Apple will continue to market and sell the iPhone 12 mini, at least until its inventory runs dry, it doesn't look good for the future of small iPhones.
https://www.notebookcheck.net/iPhone-12-mini-days-could-be-numbered-with-production-set-to-cease-next-quarter-according-to-JP-Morgan.519163.0.html