Why is the mobile phone WIFI suddenly unusable?

If you are using a Huawei phone and can connect to Wi-Fi but cannot access the Internet, you can use the following methods to troubleshoot the problem:

1. If you are using a home network, it is recommended to connect to other WiFi or mobile phone personal hotspots for testing and troubleshooting

1.If connected to other wifi is normal.

1) Please do not stay away from the router;

2) Please check whether the broadband account expires, restart the router and restart the phone before trying;

3) If the router has been set to the blacklist and whitelist, you need to check whether the MAC address of the mobile phone is added to the router, if the router does not set the blacklist and whitelist, please power off the router and restart the attempt.

2.If you connect to other wifi, you can't get online.

1) Please turn the WLAN switch back on and try to connect;

2. If you are using a public network:

1.Try using it in a place with a small amount and confirm that the hotspot is working properly.

2.Please check if you need to log in through a browser** to register before you can access the Internet.

3. If individual applications are not available online:

Please open Settings, enter Traffic Management in the search box above and click to enter the Traffic Management page, click Application Networking, and check whether the WLAN permissions are checked for individual applications.

There is a possibility that your phone memory is full, I just suddenly can't use wifi today, until I connect to the computer to notice that my phone memory is full, after cleaning, the speed is connected to wifi

It may be a problem with the phone system that often happens with Samsung's when it is shut down and restarted.

Set up the wifi carefully and try, if it doesn't work, restore the factory settings, and things will be gone.

How to fix wifi suddenly not working?

Is it that the wireless router is not turned on.

Possible reasons and solutions for mobile phone not connecting to wifi network:

1.First of all, check whether the wireless router is working normally, you can use other mobile phones or digital products to connect to the wifi signal, if you can connect and surf the Internet normally, then generally this router can work normally.

2.The phone is turned on to sleep and the network is turned off.

Check whether the phone has the option to turn off the network in the dormant state, the phone will be disconnected after a period of time or cannot receive the background chat software, the possible reason is that the phone is turned on the function of turning off the network by mistake.

3.If you use the router for a long time, the router may freeze its death. Just restart your wireless router.

4.The type of certification is not suitable. Try to change the authentication type of the router, it is better to choose the secure "WPA2-PSK" type mode, and the following encryption algorithm is better to choose "AES".

5.The network settings of the mobile phone or router are abnormal. Consider restoring your router factory settings and cellular network settings.

Answer hello dear, I am happy to answer for you, immediately sort out the text for you, please wait a moment Thank you 5, mobile phone hardware failure will also lead to failure to connect to wifi, such as network module failure, antenna failure, motherboard chip failure, internal circuit or other component failure, etc., you need to contact the after-sales service of the mobile phone to overhaul the equipment to solve.

It's very simple to use. Most wifi can be cracked, the better the signal, the more stable the network, I hope it can help you

Answer: Open the [Settings] of the mobile phone, enter the [General] page, select [Restore], click [Reset Network Settings], enter the password to enter the confirmation, click [Reset Network Settings] in the pop-up options, and finally turn on [Wireless LAN], you can automatically connect to the previously connected WiFi.

Hope it helps, dear.

Is there any other way to ask the pro.

It's okay to restore the network, dear.

Question: Why didn't I figure it out?

Question: There is no universal in the settings of Huawei mobile phones, I didn't find it.

What is the reason why the mobile phone wifi connection is not available?

Mobile phones are an indispensable communication tool in people's daily lives, and in addition to that, it also has many entertainment features. Many people are inseparable from their mobile phones almost all the time, if they encounter a mobile phone that can't connect to wifi during use, they can't wait to smash their mobile phones, then, let's share with you the solution to the mobile phone can't connect to wifi, let's take a look!

1. Why can't the mobile phone be connected to the wifi computer?

If the wifi computer can be connected, it means that there is no problem with the wifi, and if the mobile phone cannot be connected to the wifi, it means that the mobile phone is a problem.

If the mobile phone you are using has wifi, you can take a look at the wifi icon. Grayed out means that you can't access the internet. In a colored state, you can access the Internet.

If the mobile phone is set with Internet protection, it is normal that it cannot access the Internet. General housekeepers have this function. You must log in to the router interface to reset the settings.

If that doesn't work, then you can see if your phone can access the Internet through 2G and 3G channels. If it does, it proves that it's not the browser that's broken. It's that your phone's wifi chip is damaged.

It is recommended to go to the local after-sales service for maintenance.

2. Why can't the mobile phone connect to the wifi sharing wizard?

Solution 1: Make sure that the switch of the wireless card is turned on, and if it is not turned on, please turn it on manually.

Solution 2: Kuanbu Select the correct sharing mode, Android phones can only use wireless AP WPA2 mode (Win7), iOS mobile phones WPA2 mode and WEP mode can be used.

Open the wifi sharing wizard startup interface - advanced settings - sharing mode selection - select the corresponding mode.

Solution 3: Check whether the network card of the computer network connection can be shared. If you find that the NIC that you are using is not being shared, exit the software interface completely and manually set the sharing.

Operation steps: Right-click the network icon on the desktop - Properties - Change the device settings - select the network card that you want to surf the Internet (mine is the local network card) - Right-click on the properties - Share options - the first tick, select Wireless Connection3 - OK - Restart the software.

Solution 4: Disable the built-in firewall and ARP protection of 360 and other protection software.

Open the Computer Control Panel - System Security - Windows Firewall - Turn the Firewall on or off - Select Off - OK.

Change to a static IP and you can use it, test it yourself.

1. Turn on the wifi, 2. Click the name of the wifi access point you need to connect to.

3、After entering the password, you will find "show password" and "show advanced options" when you hide the input method.

4. Check - Show advanced options.

5. Pull down and "IP Settings" will appear.

6. Change the DHCP in the option to --static.

7. After changing to static, there will continue to be several items below, and the way to fill in is as follows:

IP address: The IP address of your mobile phone can generally be between 1-255, and cannot be set to the same IP address as other devices in the same bad shirt route). It should be emphasized here that the default IP address is displayed, but it is gray, even if it is the same as the one you want to set, you have to re-enter it to black.

Network prefix length: Modify the network prefix length to be the same as the default. 0, or Collapse is another number.

Domain name 2: The same as domain name 1 is fine.

It is recommended that the landlord can restart the mobile phone to try, if it still doesn't work, you need to go to the after-sales service to test the hardware of the mobile phone.

The mobile phone wifi suddenly can't be used, it may be that the mobile phone is stuck, and it will be fine to restart the mobile phone. Wifi will do the internet.

The mobile phone wifi is suddenly unusable, and it may be a wifi network signal.

If you use a vivo mobile phone and the connection to WiFi is normal but you can't access the Internet, you can check it as follows:

1. Use a laptop or other mobile phone to connect to the router to surf the Internet, or change a routing device to try whether the Internet can go online.

2. Clear the WLAN data and cache, and then reconnect to the WiFi

OriginOS FunTouch OS UI and above: Go to Settings - Apps & Permissions - App Management - More - Show System Processes - WLAN - Storage, and select Clear Data and Cache;

Android 11 models: Go to Settings - System Management - Backup & Reset - Reset Network Settings - Tap Reset to reset;

FunTouch OS is as follows: Go to Phone Settings - More Settings - Application Management - ("More" in the upper right corner and select "Show System Processes") - Find WLAN - Click Storage, select Clear Data and Cache (some models enter Settings - More Settings - Applications - All - Find WLAN);

3. Restore all settings and see;

OriginOS FunTouch OS (Monster) UI and above: Go to Settings - System Administration - Backup & Reset - Restore All Settings;

FunTouch OS is as follows: Enter Settings - More Settings - Backup and Reset Cavity Restore Factory Settings with Dates - Restore All Settings, This operation will cause the logged third-party software to need to log in again, but will not clear the **, ** and other files in the phone storage, please confirm that it does not affect the use of some third-party software before restoring all settings. To avoid data loss due to abnormal operation, it is recommended that you back up the important data of your mobile phone first.

4. Click Forgot Network, and then re-enter the password to connect to WiFi;

5. Enter i Butler - Traffic Monitoring - Network Management to check whether the software is prohibited from connecting to the WiFi network;

6. If the above methods are not improved, you can bring the hand to sell potato machines and valid purchase vouchers to the service center for testing and processing, pay attention to WeChat *** "vivo" or "vivo customer service" to inquire about the address of the service center**, it is recommended to contact before going to ensure that there is a staff reception and then go over, so as to avoid delaying precious time and running in vain.

If you can connect to the Internet normally before, it is recommended to restart the router in this case.

If you are using a vivo phone, you can check the following methods:

1. Check whether the wifi password is correct.

It is recommended to click when entering a password"Eye icon"to display the password and make sure that the password is correct.

2. Reconnect to WiFi

Please go to Settings --WLAN, click on the wifi you need to connect to, and click"Forgot Network Forgot password"reconnect.

3. Check whether the wifi network is normal.

Please compare whether the same wifi connection is normal with other mobile phones, and confirm whether it is the wifi or mobile phone. If it is due to Wi-Fi, please restart the wireless router to check. At the same time, you can enter the router management interface to check whether there are special functions

Such as the number of connections limit, MAC binding, Internet time management, etc.

4. Reset network settings.

Go to Settings - System Management - Backup & Reset - Reset Network Settings - (When installing two cards, it will be displayed: Select the corresponding SIM card) - Reset the settings, and then use View.

Note: Resetting network settings resets Wi-Fi, mobile data, and Bluetooth connection records.

5. Reset all settings.

After backing up the data, go to Traveler Settings - System Administration - Backup & Reset - Restore all settings and follow the on-screen prompts.

Note: Restoring all settings will not delete any data or ** files, only all settings of the mobile phone will be restored, some third-party application accounts need to be re-logged in, please confirm that it does not affect the use of the software before you can do it.

It is possible that the wifi is out of signal.

1. Restart the phone to check whether it is a file town to accompany the recovery;

4. If the above method cannot turn on the wifi, it may be that the wifi module is broken, and it is recommended to repair and replace one.