You don’t need WFi or Data pack to get Internet access to your phone if you are having this software installed on your computer. In this situation, you can share your Computer Internet to your PHone through USB Cable via Mi PC Suite for Windows. If you are in a situation where you are not having Internet in your phone or WiFi Access, but you can Ethernet connection in your Computer/Laptop. If you are having no Internet access in your smartphone then you can use this method to update your device and you can get your device updated to the latest firmware without any problem. Or else you can also directly update within your phone, too. You can go to the updates tab and if a new update is available for your device then you can update to the latest version in a matter of click with the software. You can update your device with the help of Mi PC Suite as well. Xaiomi often pushes new updates to its devices.
