After the Samsung phone is factory reset, the mobile network and wifi can be connected. But it doesn

There is a problem with the wireless connection of your Samsung phone, it is recommended to do the following:

1.Turn your phone and wireless devices on and off again.

2.It is recommended to forget the network to reconnect, operation: Settings - WLAN settings - click and hold the name of the network to be deleted - do not let go - forget to delete the network.

3.An attempt was made to replace the static IP address.

4.Whether it is too far away from the wireless router and affects the received signal.

5.If possible, this is the case with a change to another router or a wireless connection attempt.

6.After updating the system version, test whether there is any improvement.

If you have a mobile phone signal, we recommend following the steps below:

2.Take out the SIM and clean the SIM card metal contacts with an eraser. (Whether it is a SIM card with poor contact).

3.Try to replace a SIM card (whether the SIM card is aged or damaged)4Check whether the phone has software such as Security Guard or Calendex installed, and try to uninstall it.

5.Back up your phone's data (book, SMS, multiple files, etc.) and restore factory settings.

If the problem persists, it is recommended to send the phone to the nearest Samsung service center for testing and repair.

If your phone cannot access the Internet after connecting to a wireless network, it is recommended that you first check whether other devices can connect to the wireless network normally. If only your device can't, Samsung phones are generally recommended to do the following:

1.Use the built-in browser to log in to the webpage and see if the link can be opened normally.

2.If a networking software is not available, it is recommended to check whether the function is set to prevent individual applications from using Wi-Fi. Operation:

Settings - (More Connection Settings) - Traffic Monitoring - Manage Application Traffic (Limit Application Traffic) - View Software That Can't Access the Internet - Check WLAN (Note: Some models support the function of managing application traffic).

3.If the browser and networking software are not available, it is recommended to forget the network and try to reconnect: slide down the top curtain of the screen - press and hold the WLAN icon to enter the WLAN setting interface - tap and hold the name of the wireless network - forget (forget the network Delete network), and then search for the connection again.

4.If it doesn't work, please turn off your phone and restart it.

5.Try connecting to a different wireless network.

6.If you still can't use Wi-Fi, it is recommended to back up the data (contacts, messages, **, etc.) in your phone and try to restore the machine to factory settings.

If the problem persists, it is recommended that you bring the purchase invoice, repair card, and mobile phone to a Samsung service center for inspection.

If your Samsung phone can't connect to the wifi network after updating the system, you can try the following solutions:1Turn the wifi off and back on:

Flip the wifi switch, turn it off, and turn it on again to see if you can connect. 2.Forget the wifi and reconnect :

In your phone's WiFi settings, find the WiFi you're connected to, tap "Forget Network," and reconnect to the network. 3.Clear the network settings cache:

Clear the Network Settings cache in Settings> Applications> System Applications> Storage> Clear Data, > Clear Cache. 4.Disable IPv6:

Go to the wifi settings, find the advanced options for that wifi, and set IPv6 to the "disabled" state. 5.Change WiFi Band:

Change the wifi band from 5GHz in the wifi settings or vice versa. 6.Reset Network Settings:

Find "Backup & Reset" in your phone's settings and select "Reset Network Settings". After the reset, you need to re-enter all the wifi passwords and other information. If the above methods still don't solve the problem, it is recommended to uninstall any new applications that have been recently installed and clear the system cache to ensure that they are working properly.

If the problem persists, it may be caused by a system update. At this point, it is recommended to contact Samsung customer support or go to their official after-sales service center for repair.

Since there is no specific check on the phone in the network. If there is a problem with your mobile phone, in order to understand and solve the problem of your mobile phone in a more targeted manner. It is recommended to send your phone to the nearest Samsung service center for testing, and the service center will determine the specific problems, accessories and other hidden faults of the phone based on the test results.

Depending on the description, try the following:

1. Confirm whether the mobile phone data is turned on: slide down the top curtain of the screen with your hand and turn the "mobile data" to green.

2. Under the standby page, click the lower left button - Settings - Wireless & Network - Mobile Network - Access Point Name - Click the lower left button - Reset to default settings.

If you still can't access the Internet after the operation, it is recommended to restart your phone.

Note: If none of the above operations can solve the problem of not being able to access the Internet, please try to change to another card or try again at another time period.

Situation 1] The contact between the SIM card and the metal contacts of the mobile phone is insufficient, and the SIM card can be reinserted.

Situation 2] If the SIM card is damaged or there is a problem with the mobile phone, you can change the phone to test whether it is the SIM card or the mobile phone is faulty.

Situation 3] The current location is a signal blind zone or suddenly no signal, you can change places to test and pay attention to whether the mobile phone signal of other users around you is normal.

Situation 4] If the mobile phone card is in arrears or is shut down, you can pay off the arrears and turn it on.

Situation 5] The service is suspended due to abnormal use of the number, such as the number being used for illegal or illegal activities.

Situation 6] Roaming in Taiwan, Hong Kong, Macao or abroad can only be used after enabling Taiwan, Hong Kong and Macao roaming and international roaming.

Situation 7] If the total traffic generated by the Internet reaches the ** traffic cap value in the current month, the system will automatically turn off the Internet access function, or limit the speed of the network, and the network will be automatically restored in the next month, which shall be subject to your ** traffic cap rules.

This is not the case with questions.

The telecommunications network I use.

Telecom is also a domestic operator, all the same.

Question: It is easy to change the mobile phone card to other mobile phones.

Go to an after-sales service or repair shop.

Question: That's where you guess.

Believe it or not. I didn't force you to listen to me.

We recommend that you try the following steps:

1. Check whether the SIM card is enabled for GPRS Internet service or temporarily closed.

To use the mobile phone data Internet function, the ** card needs to activate the data data Internet service. You can contact the local network provider of **card** to open the data traffic Internet service.

2. Check whether the "Mobile Data" switch is turned on.

Slide your finger down on the top curtain of the screen, slide the shortcut bar to the left, and turn the "Mobile Data" dot green.

3. Reset the Internet access parameters.

In standby mode, select Standby Screen - Applications - More Settings - Mobile Network - Tap the access point name - Menu - Reset to Default Settings - After the settings are completed, restart your phone to surf the Internet.

4. Please try to change to another ** card.

5. You can also try again in a different time period or network environment.

6. Back up your phone's data (**book, SMS, **, etc.), restore your phone to factory settings, if the fault persists, it is recommended that you send your phone to the nearest Samsung service center for testing and repair.

Check whether other devices on the network can access the Internet normally, and if there is a problem with the network, try to connect to another network.

Try all the software on the phone, if only a certain software cannot access the Internet, then set the traffic monitoring through the "Settings" function, and select the WLAN under the software. If all the software does not have internet access, then proceed to the next step.

Scroll down to the home screen, press and hold the "Wi-Fi" icon to enter its settings interface, select "Forget" the network you are currently connected to, and try to reconnect again.

If you still can't access the Internet, it is recommended to go to the after-sales maintenance point in time to ask professional maintenance personnel, and it is not recommended to brush the machine yourself.

Whether you can access the Internet depends on whether the mobile phone has turned on mobile data or wifi (in the case of wifi signal), and whether the mobile phone is far away from the 3G or 4G signal. After ruling out these, it is still not possible, it is recommended to send it to customer service for inspection.

If your phone is not able to access the Internet with mobile data, it is recommended that you:

1.Check whether the SIM card of the mobile phone has the Internet function enabled.

2.Make sure mobile data is on: Swipe down the top curtain to turn on mobile data. If you have a dual-SIM phone, check whether you want to switch to a SIM card with data activated.

Note: Some CDMA dual-SIM machine card 2 does not support mobile Unicom SIM card Internet access).

3.Check whether to set a data usage limit. On some machines, [Limit Data Usage] is enabled, and the mobile data function will be automatically turned off when the data is exceeded.

4.Check whether all Internet access software or browsers are unavailable. Some machines support [Limit Application Traffic], which can control individual applications to use mobile phone data or Wi-Fi to surf the Internet.

5.If you still can't access the Internet after checking the above contents, it is recommended to reset the Internet access parameters of your mobile phone: Settings - (More Settings) - Mobile Network - Access Point Name - More (Menu Key) - Reset to the default settings.

6.If it doesn't work, try to replace it with another SIM card to rule out whether it is a SIM card.

7.Try it after changing the time period or changing to a different location.

8.If it doesn't work, please back up the data in your phone and restore the machine to factory settings.

9.Check if your phone has a push notification for system updates, and if so, upgrade your phone to the latest version in a Wi-Fi environment.

If the problem persists, please bring the purchase receipt, repair card and machine to the Samsung service center for inspection.

If your phone is not able to access the Internet with mobile data, it is recommended that you:

1.Swipe down the top curtain of the screen to turn on mobile data. 【Tips】SIM card needs to be activated for Internet service2If you still cannot access the Internet after the above operations, it is recommended to reset the Internet access parameters of your mobile phone: Settings - Mobile Network - Access Point Name - More - Reset to the default settings.

3.Try a different SIM card or a different time period to troubleshoot network issues.

4.Upgrade your phone to the latest version.

5.If it doesn't work, please back up the data in your phone and restore the machine to factory settings.

If the problem persists, please bring the purchase invoice, warranty card and machine to the service center for inspection.