Apple seeded iOS 8.1.3 for public users. But, recommend to stay away from this release. iOS 8.1.3 kills TaiG jailbreak for iOS 8 – 8.1.2 & Cydia from your idevice.
Tag: cydia ios 8.1.2
You can install Cydia for iOS 8 – 8.1.2 with two jailbreak tools. According to your computer OS, you can select iOS 8 – 8.1.2 jailbreak : TaiG or PP
These are the steps, Cydia download & install for iOS 8 – 8.1.2 devices. iOS 8 jailbreak process is done by untethered TaiG download tool.
Way to install Cydia for iPhone 6, 6 Plus. iOS 8.0 – iOS 9.3.1 support. Follow jailbreak procedure download Cydia Installer for your device within few minutes.