This article will be helpful to find out how to jailbreak iOS 10.2 on iPhone or iPad using Yalu and Cydia impactor.
This jailbreak is support and works following devices only.
iPhone 6S
iPhone 6S Plus
iPhone SE
iPhone 6
iPhone 6 Plus
iPhone 5S
iPad Pro
iPad Air 2
iPad Air
iPad Mini 4
iPad Mini3
iPad Mini 2
iPod Touch 6th Generation
iPhone 7 & 7 Plus support for iOS 10.1.1 only
The Step by step guide is shows in here under page cydia ios 10.2 go and enjoy...........