Why is Instagram not Working on Mobile?

If Instagram is not working on mobile, try to log in on a computer to ensure that the Instagram server is not busy because a busy Instagram server can cause this issue. Another reason for can't login to Instagram on mobile issue can be the cache of the Instagram app or the outdated version of the Instagram app. First, uninstall and then reinstall the Instagram app to resolve the issue and remove software bugs. Also, reset the time & date of your mobile automatically.