Apple phones disconnect the wireless as soon as the lock screen is implemented in order to save power for their own devices. There are two ways to solve the above situation:
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Method one is simple, in Settings, set the network to never screen saver.
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The specific steps of method 2 are as follows: 1. After searching for the wireless network, do not rush to connect the network first, open the small arrow or exclamation mark on the right of the wifi that needs to be connected;
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2. Click to enter and drop down, select \"Automatic\" in the proxy bar;
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3. Return to the current page, enter the password, and connect to the network. Completing the above three steps can solve the problem of disconnecting the wireless network when the iPhone lock screen.
This is the power saving function of the mobile phone, after the lock screen will automatically disconnect the WLAN, cancel the saving of the original wifi, and then search for wifi, do not rush to connect, first open a circle to the right and add an i icon, select \"automatic\" in the http bar, and then return, enter the password connection. So the wireless will always be connected.
It is because energy saving is set, which can be set in the following way. Tap \"Settings\" on your phone, and then tap the \"WLAN\" option in Settings.
In the \"WIFI\" screen, drag the screen to the lowest point and tap \"Advanced Settings\".
In the Advanced Settings page, click the \"Maintain WLAN connection while Asleep\" button and click the \"Always\" option. Steps: The first thing to be clear is that no matter what Apple's system, there is no screen lock wireless disconnect bug
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Reason: the mobile phone connected to WiFi than not connected to WiFi more power consumption,iOS in order to maintain a good power saving effect, automatically shut down the WiFi connection after the lock screen, to achieve the effect of power saving.
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The WiFi signal is poor, and the iOS system automatically switches to the relatively better 4G network.
Because the \"intelligent sleep\" function is set, after the screen is closed, the system will be based on the software running state, intelligent sleep APP, and release memory, CPU automatic frequency reduction, WiFi function is also turned off to save power;
When the screen is turned on, the system will restore the hardware Settings to the normal state, the dormant software will also wake up, ready to perform tasks, and everything will return to the state before the screen is turned off.
Causes and solutions
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The iPhone's automatic disconnection from the Internet when the screen is turned off may be because the iPhone is set to automatically disconnect from the WiFi when it is in sleep state.
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You can resolve the problem by following the following steps:
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1. Turn on your phone and tap the Settings icon.
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2. Select WiFi option bar.
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3. Click the option on the top right.
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4. Then select the Advanced Options bar.
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5, click in the sleep state to maintain WiFi connection bar.
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6. Select Always. At this point, the WiFi will always be connected, and the phone can download things in the background