Two of the most popular Korean operators, SKT and LG U+, are in the midst of pushing out an unexpected over-the-air (OTA) update to all Optimus G Pro handsets located in South Korea. In terms of functionality, the upgrade brings Android 4.4.2 KitKat and Sense 5.5 to the device, complete with the usual plethora of bug fixes, speed optimizations and stability improvements that we’ve grown to expect from any major software update.