Then connect the device to Wi-Fi hotspot or turn on cellular.
This required you to check the Wi-Fi connection and mobile data on your Android phone. Google Drive works when your device is connected to Internet. But have you seen some errors occurred, like edited file won't sync, shared documents doesn't appear for others, and forcing you to a restriction page? If yes, this article would help you fix Google Drive which is not working. For most time, Google Drive works pretty to sync, backup and share files, such as photos, videos, and Microsoft Office documents.
