Update Xiaomi Mi 3 W, Mi 4 with Android Nougat via CyanogenMod [official] CM 14.1

Here's a tutorial on how to install CyanogenMod CM14.1 Android 7.1 Nougat custom ROM on Xiaomi Mi 3W and Mi 4. CyanogenMod CM 14.1 brings night mode for reading, multi-window options, bundled notification, improved battery optimisation, performance tweaks, also CM themes, exclusive multi-utility apps, shortcuts and numerous other value-added features to enhance users' experience. Prerequisites: This new CyanogenMod [official] Android 7.1 Nougat CM 14.1 custom ROM has to be installed on the Qualcomm Snapdragon 801/800-powered Xiaomi Mi 4/Mi 3W models only; if tried on other devices, it might get bricked [To check your device model: Go to Settings >> About phone >> model number] Make sure the device is rooted before going forward for custom ROM installation Make sure to back all the data by installing TWRP in the smartphone. Make sure to install USB drivers on the PC. Make sure the device has more than 80 percent battery. If you face force close, go to Settings ...