Why iOS 10.1 Jailbreak? Firstly, you can bypass the protection iOS and install on their gadgets unofficial applications and tweaks are not admitted to the official catalog of the App Store. Second, change beyond recognition Design of the operating system.
Next reason (one of the most popular) - Jailbreak tweak creator Efisio Mazzi developed Portrait+ jailbreak tweak. He copied the same DSLR technique and redeveloped it to compatible for iOS 10.1. Portrait+ jailbreak tweak still on beta stage. We know that such jailbreak tweak works perfect on all iOS 10.1 jailbreak devices include iPhone 7 device. It's very cool, because lots of iPhone owners want to make amazing shot, but can't to buy new iPhone 7 Plus.
Ok. How it works. After iOS 10.1 Jailbreak, you must install Cydia Tweak Portrait+ and you can get blur effect to previous images by editing. If you like cool backgrounds effects, you can change change background effects . Some iPhoneowners want to increase or reduce blur effect. After jailbreak, you can with Portrait+ also.
General question - when iOS 10.1 Jailbreak? We know that Pangu confirmed their plans to jailbreak, but we don't know official release date. If you find iOS 10.1 download links on the web, you must understand that all download links - fake and scam. You can't make iOS 10.1 jailbreak at this moment. Wait.
Don't forget that all iOS Jailbreak compatibility list > Here.