Downloading directly to Drive on a mobile device requires a slightly different approach since browsers behave differently on iOS and Android.
For those who want every browser download to automatically land in the cloud, you can change your Chrome settings to treat your Drive folder as a local drive. Open Chrome and go to > Downloads . Next to "Location," click Change . download to google drive directly
Free, handles huge files, supports resumable downloads. Cons: Requires a Google account; runtime may disconnect after a few hours. Downloading directly to Drive on a mobile device
For smaller, publicly accessible files (images, PDFs, docs): " click Change . Free