How to download an update on mobile

Anyway I want to install update 2.4 on yo-kai watch blaster on phone but I can’t do it can you help me?

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

Dump the update using this guide: Dumping Updates and DLC

Then install it by clicking on the folder icon in Citra, and selecting Install CIA...