Disclaimer: You can follow these steps to delete themes installed by you, the user. However, it is NOT possible to delete themes that came inbuilt with the phone.

If you wish to uninstall inbuilt apps, I have covered it in another post, click here to read it.

 

As per popular request, here are steps to uninstall themes on POCO F1.

Steps to uninstall theme:

• Open the themes app, Depending on the launcher and theme you have selected, the icon may look different

• Now select the last tab on the bottom
• Select ‘Themes‘ 

• A list of your installed themes will appear. (The last one called ‘POCO’ is the system default that comes inbuilt with POCO F1). Select to open the theme you wish to uninstall. 

• Now simply tap the dustbin ‘Delete’ button on the top right
• A prompt will appear asking for confirmation. Press ‘OK‘And that’s it! You are done. Congrats.