According to SamMobile, the LTE variant of the Samsung Galaxy S IV (I9500) has started receiving the Android 4.3 Jelly Bean update. From the same report, the update is first pushed in Russia and the Indian market should also be expecting it. The update will first be available to those Galaxy S IVs that are SIM-free (not from a carrier). The update will come with Samsung KNOX and of course, support for the Galaxy Gear among other features that will be added onto the device (like reading mode). If you are a proud owner of the smartphone and bears the same model number then there is no harm in actually checking if the update has arrived on your device.