If the phone has not been connected to wifi, we need to add the wifi account and password in the Settings first. Here's how:
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1, first open the Settings, find [WLAN] option.
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2, then open the [WLAN] option, open the WLAN function in the upper right corner, select the wifi account you need to connect.
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3, then enter the wifi password, click the \"Connect\" option to connect to wifi.
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4. When connecting this wifi again, just pull down the top shortcut menu, find the icon of wifi, and click to automatically connect.