How to Update Your Sony Xperia Z3 Android to 6.0.1 Marshmallow!

You can now update Xperia Z3 to Android 6 Marshmallow using an unofficial CM13 custom firmware. Based on the latest Android 6.0.1 Marshmallow, developers have tweaked this custom ROM to be stable, smooth and fast. Bringing all the popular CyanogenMod features, follow this guide to update Xperia Z3 to Android 6.0.1 based CM13 custom firmware.