Staying true to its promise, Huawei has started rolling out Android 5.1 Lollipop update for its Honor 4C and Honor 6 smartphones. There are a lot of performance improvements under the hood, changes to the user-interface that come with Lollipop and Emotion UI 3.1.
At present you need to download the Android 5.1 Lollipop update from Huawei's support site, there is no OTA update available. Just download the zip file from above, instructions will be present there. Next in line to get the update are Honor 6 Plus on September 29th while the Honor 4X is slated to get the update on October 20th.