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WhatsApp has become one of the most widely used communication platforms worldwide. While it started mainly as a messaging app, it is now heavily used for voice and video calls by millions of users every day. One major reason for its popularity is the ease of making one-to-one and group calls over the internet. However, many users are unaware that WhatsApp voice calls consume a significant amount of mobile data, which can quickly drain daily data limits, especially during long conversations.

According to earlier reports, a WhatsApp voice call can consume around 700–750 KB of data per minute. Although this may appear minimal at first, extended calls can add up to several megabytes of data usage. This becomes a concern for users who rely on limited mobile data packs or frequently make calls while traveling.

To address this issue, WhatsApp provides a built-in option that helps reduce mobile data consumption during voice calls. The feature slightly lowers call quality to save data without significantly affecting the calling experience. Below is a detailed guide on how to enable this setting on both Android smartphones and Apple iPhones.

Why You Should Reduce Data Usage on WhatsApp Calls

• Helps conserve daily mobile data limits

• Useful for users with limited data plans

• Prevents unexpected data exhaustion during long calls

• Ideal when network conditions are unstable

This feature is especially beneficial for users who depend on mobile data rather than Wi-Fi for voice calls.

How to Reduce Mobile Data Usage During WhatsApp Voice Calls on Android

Follow these simple steps on your Android smartphone:

1. Open the WhatsApp app on your device.

2. Tap on the three-dot menu located at the top-right corner.

3. From the drop-down menu, select Settings.

4. Tap on Storage and data.

5. Look for the option Use less data for calls.

6. Turn on the toggle to activate the feature.

Once enabled, WhatsApp will automatically optimize voice calls to consume less mobile data.

How to Reduce Mobile Data Usage During WhatsApp Voice Calls on iPhone

iPhone users can also enable this feature easily by following these steps:

1. Open WhatsApp on your iPhone.

2. Tap on Settings from the bottom-right corner of the screen.

3. Select Storage and Data from the menu.

4. Scroll to the Network section.

5. Enable the toggle for Use Less Data for Calls.

After turning on this option, WhatsApp voice calls will consume less mobile data, making them more data-efficient.

Important Things to Know

• This feature applies only to voice calls, not video calls.

• Video calls consume more data, and WhatsApp currently does not offer a data-saving option for them.

• The feature may slightly reduce call quality, but the difference is usually minimal.

• With the growing adoption of high-speed networks, WhatsApp may introduce more data control options in future updates.