Even though there are many Tutorilas on how to Jailbreak IOS 12-IOS 14 , many still think that their iPhone is not supported, and the solution is to put your iPhone into recovery mode then DFU mode. If you want to know more please watch the video and make sure you follow step by step
Requirements: USB Flash drive with 1 GB , Bootra1n( Download) , Rufus (Download)
For Mac Users Just use Checkra1n from the official website ( Download) and follow along.