ZTE pushed the Android 7.1.1 Nougat update for it's Axon 7 device making it the first non Google Android Phone to get Android 7.1.1.
The update adds new emojis to the device, Google’s ‘gender-equal’ emojis are coming. It will also let you send gifs directly from your keyboard on supported apps, while Google’s Daydream platform also got further optimizations through this update.
T-Mobile users will get an additional feature - WiFi calling , this will let users send text messages and receive calls over Wi-Fi.
If you didn't get the update notification yet don't worry you will get in a day or two. Meanwhile you can head over to the settings menu and check if the update is available for your device or not.