To update the MioCommerce Mobile App to the latest version, please read below -

Go to your app store and search for MioCommerce. Once you see MioCommerce, it will ask you to "Update". Click update and open the mobile app

In case, you do not see "update",

Step 1. Click on your photo at the top right and

Step 2. Search for MioCommerce and click on update

In the mobile app, you can see the latest version by clicking on the menu > About