Sony Xperia “X” series sports some new features in terms of UI as compared to present Marshmallow Xperia UI. Well a great news that official Xperia X System UI & lockscreen has now been ported on other Xperia devices.
It is working on official Android 6.0.1 Marshmallow running on Xperia Z2, Z3, and Z5 series (not working on concept or beta ROM). It should work on Xperia Z3, Z3 Compact (including Dual SIM Variant) and for Xperia Z5, Z5 Premium, and Z5 Compact.
Official Xperia X System UI & Lockscreen Port
You must have root access and deodexed ROM to use this port. It features new Xperia X Lockscreen and new Marshmallow battery icon.
NOTE: Backup your current ROM before applying this port.
Flash the below posted zip files via recovery.
For Xperia Z2/Z3, Download
For Xperia Z5/Z3+/Z3 Dual, Download
Let us know if it works on your device, drop your comments below.
Source – XDA(shared by Ben Ling)