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Do you use a limited mobile data plan (3G / 4G) and you want to save data to extend your usage time? The Low Data Mode feature on iPhone will help you.

Low data mode will turn off all background communication. It turns off the Background App Refresh feature of the app, and requires the app to suspend all sync tasks until you connect to the unlimited network.

Cách tiết kiệm dung lượng 3G/4G trên iPhone chạy iOS 13

Besides, it also turns off all background sync tasks. Therefore, when you enable this mode, the Photos app will not back up your photos.

You won’t notice the difference when using your iPhone for basic daily tasks, but all background processes you don’t control normally will be halted. If necessary, you can enable sync tasks for each application manually.

How to turn on Low Data Mode for 3G / 4G networks on iPhone running iOS 13

To turn on Low Data Mode for the Celluar Data connection, open the iPhone’s Settings app, and select the Cellular option.

Cách tiết kiệm dung lượng 3G/4G trên iPhone chạy iOS 13

From here, you choose Cellular Data Options.

Cách tiết kiệm dung lượng 3G/4G trên iPhone chạy iOS 13

Turn on the switch next to Low Data Mode to enable this feature.

Cách tiết kiệm dung lượng 3G/4G trên iPhone chạy iOS 13

How to turn on Low Data Mode for Wi-Fi networks on iPhones running iOS 13

Low Data Mode also works on Wi-Fi networks. However, not all Wi-Fi networks support this feature. If a Wi-Fi network supports it, you can turn it on in the following way:

Open the Settings app, and select Wi-Fi.

Cách tiết kiệm dung lượng 3G/4G trên iPhone chạy iOS 13

Here, go to the Wi-Fi network you want to turn on Low Data Mode, and press the i-shaped button next to it.

Cách tiết kiệm dung lượng 3G/4G trên iPhone chạy iOS 13

From the screen that appears, turn on the switch next to Low Data Mode to enable it.

Cách tiết kiệm dung lượng 3G/4G trên iPhone chạy iOS 13

Additionally, you can turn on Low Data Mode for certain applications or services. For example, Instagram has the Low Data Mode option available. To save data on streaming applications, you just need to reduce the quality of video or audio playback.

You can also turn off Background App Refresh, and auto-download apps for apps to reduce the amount of data your iPhone uses.

Source: GenK