Uploading files

I am using Appium desktop for automation testing of mobile application which is basically a video converter. So I need to upload file from the mobile device and then test if its converting successfully. But i cant find a way to do so in appium. Need some helps about that.

You could try https://www.seleniumeasy.com/appium-tutorials/upload-file-using-appium-on-device

There are also known issues with mobile chrome while accessing the file system. See https://stackoverflow.com/questions/67213841/appium-file-upload-to-web-using-chrome-err-access-denied for more details