The Honor 5X was launched back in October 2015 and has seen a number of Android updates ever since. However now, the device is being upgraded to the latest AOSP source with Android version 6.0.1. Huawei devices are known for its unique EMUI OS and now it has been updated to EMUI 4.0 for the Honor 5X.Huawei Honor 5X ( KIW-L21 ) Official Android 6.0.1 Marshmallow update build B310 is now Rolling