Today I will tell you
How to install custom system themes on android phone without root.
Now you can customise your android device by adding new theme in your system like one plus 5 like theme on you device system settings with the combination of red and black or you can choose any other colour combinations ,these apps will help you to change the over layout of your system.
you can install custom theme without Andromeda and substratum theme engine.
You can install these…