Pangu8 untethered jailbreak tool released an update, in this update they fixes some small bugs like Cydia Substrate loading issue upon reboot, iMessage picture sending and Safari bugs. we highly recommended to update your untether jailbreak if you have already jailbroken your device.
To update your existing Pangu8 Jailbreak, click Pangu icon on your Home Screen > Go to Manager tab > under update tab, click “Pangu 8.0-8.1.x Untether update” > new .deb will download and ask to reboot your device.
Pangu8 still doesn’t install Cydia in it and has to be updated. A completely Pangu8 version will be out as soon as Cydia authority updated Cydia for compatible with iOS 8.x.x. Even through Cydia authority updated cydia to work with iOS 8- iOS 8.x.x, the installation method was completely manual.
You can see our previous tutorials for How to Jailbreak and Install Cydia to your iOS8 device