There is. But is a complicated process. I haven't tried it, I could on my iPhone 6S which I have iOS 10.2 shsh2 blobs. But since I'm on the iPhone 7 I'm okay with leaving my iPhone 6S on iOS 9.0.2..
So keep in mind although in the tutorial I found there are people commenting that it worked, it still could fail and the worst case is you end up updating to iOS 10.2.1
Assumably you're jailbroken and have a macOS pc or laptop. Give this a shot. That's one of the most legit tutorial I found, also it's quite new only posted one month ago.
I'd highly recommend reading through it before starting (Credits go to the reddit user in the link!)