Apple has just released the iOS 6.1.2 update for all iOS 6-compatible iGadgets.
The OTA update weighs just 12.6 MB and according to Apple was delivered to fixe a single bug. Here is the official cahngelog:
Fixes and Exchange calendar bug that could result in increased network activity and reduced battery life.
We are not really sure if it also addresses the issue that lets you bypass the iPhone passcode lockscreen, as Apple never really acknowledged it.