T-Mobile Customers with the LG G3 have noticed a OTA (Over The Air) update of 154MB to Build number KVT49L.D8511L0m
Its unknown at the moment what the update fixes or changes but a update on a phone is always good to see.
The Android Version number stays the same at 4.4.2
Will keep you updated as we found out more info what the update brings.
Source: Android Face