Earlier Huawei had released manual Android 5.1(Lollipop) Update for Honor 4X Smartphone. But Now the Android 5.1(Lollipop) Update is available Via OTA(Over-The-Air). The size of the update is 0.9GB. Users can check for the update manually by just going to Settings > About Phone > System Updates. The version of the update Che1-L04C900B341. This is a good news for those users who don’t want to install the update manually. This update comes with Dual Window Support and SOS feature, also comes with Google Patch Integration.
If you have already updated your device do tell us your experience in the comments below.