Reasons and Solutions:
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(1) When the router is normal, it is necessary to determine whether it is a network problem.
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a: Find another device, connect to the network, try to connect, whether it is available. If they are unavailable, remove the network cable and power cable, wipe the dust on the router, and then plug them in.
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b: Call the network office and ask if the network fee is due.
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(2) If the phone can also display a wireless icon (the phone notification bar is like a fan-shaped icon), then the network can be connected, please follow method (1) to try. If the phone does not display a wireless icon, then:
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(1) The phone may have too much memory, try to clean up the phone memory and mobile phone garbage;
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(2) There may be too much background running software on the mobile phone, and try to close all background running software;
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(3) Try to restart the phone. Note: If the above methods are not feasible, please go to the mobile phone after-sales office to ask the relevant personnel.
You can turn off the wireless router signal, and then restart the recovery signal five minutes later, and then turn on the WIFI switch of the e-book tablet, and then enter the password, click Connect to let him smoothly online