AT&T G Flex Android 4.4.2 KitKat update is rolling out
The Android 4.4.2 KitKat is being rolled out for AT&T LG G Flex. This G Flex KitKat update is 686MB in size and brings many changes including new full-screen mode, restyled status and navigation bars. Furthermore it will enhance processor performance and battery performance. And core KitKat features are wireless printing support, immersive mode, smarter caller ID, fast multitasking, and more. AT&T LG G Flex KitKat update is coming with baseband version M8974A-AAAANAZM-2.0.20046, kernel version 3.4.0 and software version D95020b.
Before you start updating your phone, do note some important points. AT&T suggests you to back up your data. Make sure you are connected with a proper Wi-Fi network and you have up to 50% battery life. Then start downloading OTA KitKat and you should experience no error. The update is coming eventually, so it may take time in arrival. However you can check the update manually from Settings > General tab > About phone > Software update > Update now.