Guide to update Citra easily on Android with a shortcut through Termux

Download and install Termux from: Termux | F-Droid - Free and Open Source Android App Repository
Download and install Termux:Widget from:
Termux:Widget | F-Droid - Free and Open Source Android App Repository
Open Termux and run this command:

pkg upgrade -y && pkg install wget unzip -y && mkdir temp && cd temp && wget && cd … && mv ./temp/ ./ && rm -rf temp && chmod a+x && ./`

You also might need to grant Termux the permission to manage storage and to display over other applications on some Android Skins. These can be granted from the System Settings.

Now go to your home screen and add the widget with the Termux icon from Termux:Widget and select either the or and repeat for the other one if you want to have a shortcut for both.
Now if you click one of these Shortcuts, Termux will open and after a few seconds, will prompt you to update Citra.

In order for us to provide better support, we need to see the log generated by citra. This guide will walk you through how you can obtain the log file: How to Upload the Log File