Android N OS has been released for some time, due to fragmentation of android OS, many smartphones still run Android 6.0/5.0, even Android4.4, but we don’t think that today Nubia is the first brand to send Nubia UI based on Android 7.1 OS notification. It has released Nubia UI 18.104.22.168 develop version based on Android7.1 OS for Nubia Z11 (NX531J).
Right now Nubia UI 22.214.171.124 develop version based on Android7.1 os has added some new functions and optimization such as icon, press button, multi-color task bar, new notification center and control center, floating window remind, fonts resource and super screenshots, turbine network acceleration, and so on.
In addition, its os performance and deep clearance function have also been optimized. Because developer version has some small issues in compability and stability. But it doesn’t affect daily use. If you are interested in this Android N version, you can have a try. This upgraded ROM is only for SD card flash, not OTA support, if you upgraded to Android7.1 OS, and want to use Android6.0 again, you must double wipe and than do SD card flash. Here is the Nubia Z11 Android7.1 ROM for you to download.