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How to turn off the communication signal of Redmi k40 and turn it on?

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The first step is to turn on the phone, find the settings icon, and click Enter.

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Step 2, click the option of dual card and mobile network.

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Step 3, and then click the "Advanced Settings" option to enter.

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Step 4, click "5G network mode selection".

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Step 5, click Select, SA+NSA mode and network mode.