This message for apple Jailbreak user and crack unlock users. Appple no longer sign for restore iOS 8.1.2, So be aware don't update your iDevice to newer version or current iOS8.1.3 if you want jailbreak or patch unlock. Because still not any team can't able to jailbreak earlier version. Once again so take extra care to update your iDevice.
iOS 8.1.2 message
iOS8.1.2 now jailbreak able via Tiag or PP.