01 Determine the circumstances under which this problem occurs on the mobile phone, such as what new APP has been installed and this phenomenon has begun. There are many similar apps in the market, such as wifi key wifi butler and so on. Delete these apps, if you still can't connect to the Internet then look 02 unlock the phone and find \"Settings\"
03 Find " under the Settings page; Wireless local area network 04 In the wireless LAN page, we find the name of the connection and click on it. 05 After entering, we delete the connected wifi and select \"Ignore this network\". Then reconnect, if still can not connect to the Internet continue to the next step 06 in the Settings page \"airplane mode\"
07 Click \"General\" on the Settings page.
08 Under the General page, go all the way to the bottom and select \"Restore\". Finally restart the phone.
signal interference
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Reason: There may be strong signal interference sources next to the router, such as microwave ovens, cordless phones, magnets, high voltage lines, etc. The wireless signals and strong magnetic fields issued by these devices will seriously affect the normal transmission and acceptance of the router's WIFI signal.
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2. The router firmware is faulty
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Cause: The firmware version of the router is too low, or the firmware and hardware do not match, which may also cause the router to work improperly, resulting in unstable WIFI connection problems.