Note: As our world comes together to slow the spread of COVID-19 pandemic, the Zoom Support Center has continued to operate 24x7 globally to support you. Please see the updated Support Guidelines during these unprecedented times.

Important: Starting September 27, Zoom will require that all meetings have a Passcode or a Waiting Room enabled for accounts with a single licensed user, Pro accounts with 2 or more licenses, and Business accounts with 10-100 licenses. For further information, please see our reference our Frequently Asked Questions.

How much bandwidth do I need when using 3G, 4G/LTE, or 5G Follow

You need to have a data plan on your mobile devices to start or join a video meeting. 

For iPad, the active speaker will be in a non full-screen mode when transmitting in 3G, 4G/LTE, or 5G. 
For iPhone, the active speaker will be in full screen mode when transmitting in 3G, 4G/LTE, or 5G.

For both iPad and iPhone, you can see full screen with sufficient mobile bandwidth. You can also see multiple attendees in gallery view.

If the bandwidth is low, it will automatically scale to a smaller screen. 

Note: To conserve data usage on mobile plan, you can turn off video. Or jump to "home" screen, iOS will put the app into "recording" mode which turns off video automatically, preserving audio.