Required bandwidth do I need when using 3G or 4G / LTE in Zoom
If the mobile device is operating in 3G or 4G / LTE mode
The zoom app sends only up to 1 MB / min of data, according to Apple’s guidelines for data plan bandwidth usage.
In case of iPad
When transmitting in 3G or 4G / LTE, the active speakers are in modes other than the full-screen mode.
In the case of iPhone
When transmitting in 3G or 4G / LTE, the active speaker is in full-screen mode.
[ Update] version 2.0 when the
You can see the full screen with sufficient mobile bandwidth on both iPad and iPhone.
You can also view all attendees in Slide View (iPad) or Gallery View (iPhone).
When the bandwidth is narrow
It is automatically reduced to a smaller screen.
Hint! In order to save the data use fee in the mobile plan, turn off the video you can.
When you jump to the "home" screen, iOS puts the app in "Record" mode
and automatically turns off the video with the audio saved.
For more information on this article, see How Much Bandwidth Do I Need When Using 3G or 4G / LTE.