How much bandwidth do I need when using 3G or 4G / LTE in Zoom

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.

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Frequently Asked Question


It is possible to install Zoom on computers with all the basic Wi-Fi packages and an Internet connection that provides a download speed of at least 1.5 Mbps on a cable or fiber connection, in combination with a basic Wi-Fi package.

Is your internet fast enough for Zoom?

Recommendations regarding bandwidth

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In order to maximize the quality of the experience for the participants, Zoom will optimize the bandwidth used by the network for the best experience. You can set whether you want to use 3G or WiFi automatically. There is a recommended bandwidth over WiFi for 1:1 video calling, which is 600 kbps (up/down) if you are looking for high quality video and 1.2 mbps (up/down) if you are looking for HD video.

How much data does Zoom use? 
The average amount of data used by Zoom per hour is 888 MB. It takes roughly 810MB to 2.475GB per GB for Zoom users to participate in group video calls, whereas 540MB to 1.62GB per GB is used for Zoom users to participate in one-on-one calls.
Moreover, according to Apple’s guidelines for data plan usage, the zoom app is only allowed to send a maximum of 1MB of data per minute of usage. Whenever a speaker is transmitting over a 3G or 4G network / LTE connection, the active speakers are in a different mode than the full-screen mode. The active speaker is in the full-screen mode when the phone is connected to 3G, 4G, or LTE.
It is recommended that you use WiFi for Zoom, but it is not a requirement. In Zoom, you can use your data to hold meetings and perform all the basic activities you need to conduct your business. There is, however, one thing to keep in mind when you are using Zoom online, which is that it will be more responsive if there is a strong WiFi connection.
Reducing Zoom Data and Bandwidth Use
  1. Don’t use video when you don’t need it and turn it off when you don’t need it.
  2. It is important to turn off HD video in order to avoid this problem.
  3. There should only be a time when it is absolutely necessary to share your screen with someone else.
  4. In lieu of screen sharing, you should consider using online collaborative documents instead.
  5. When you are not speaking, you should mute the audio on your phone.
  6. Zoom meetings can be recorded in the cloud using the cloud recording option.
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Currently, Zoom is transmitting a certain amount of data, which is indicated by the bandwidth icon. The best way to find out what your current bandwidth is is to visit Speedtest. To achieve high-quality voice, we generally recommend a bit rate of 60–100kbps.
You should aim for a minimum download speed of 10 to 25 Mbps and a minimum upload speed of 3 Mbps for a quality video chat Zoom session.

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