Why won t Samsung phone turn on wifi after factory reset

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Now if you want to connect to the Internet anytime and anywhere, you can't do it with traffic, and there is no signal at all in some places, such as on the train, in the underground parking lot, the signal is too poor. That can only be connected to wifi,As long as the wifi covers the place,You can connect to the Internet,I use Tencentwifi butler,It covers a lot of shopping malls,Restaurants and leisure places,The signal is always full,It's great。

If your phone cannot connect to the Wi-Fi network, please try to do the following common situations:

1.If you could connect before, you can't connect now:

2) Check if the Wi-Fi password entered is correct.

2.If you can't connect for the first time or can't connect to a public Wi-Fi:

Check whether other devices under the same wireless network are connected properly and whether connection restrictions are set on the wireless network.

3.If you cannot connect to the wireless network with the Chinese name:

Due to device compatibility issues, some wireless networks with Chinese names or special characters may not be able to connect, it is recommended to change the wireless network name to English.

Please check whether the router connection is normal (the cat cannot be connected), turn off the phone and the router and restart it before trying to connect.

5.If none of the above operations work, it is recommended to back up important data (contacts, text messages, **, etc.) and try to restore factory settings.

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

Hello, sorry for the inconvenience caused by the product! Based on your description, it is recommended that you try it as follows:

1.It is recommended that you go to Settings - Application Manager - All - WLAN - Clear Data.

2.If the problem cannot be solved by restoring the factory settings, it is recommended that you try to upgrade the firmware. (Settings - About Device - System Update).

If the above methods still can't solve the problem, in order for your phone to resume normal use, it is recommended that you bring the purchase invoice, repair card and mobile phone to the local Samsung service center, and the engineer will test the mobile phone for you. Service Center Inquiry Page:

Dear, you can install a wifi software yourself.

Hardware problems have also occurred in my phone, and the motherboard that was finally returned to the factory for replacement.

If your mobile phone cannot access the Internet after connecting to the wireless network, we recommend that you first check whether other devices can connect to the wireless network normally. If only your device can't, it is recommended:

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 mobile phone and restart it.

5.Try connecting to a different wireless network.

6.If you still can't use the Wi-Fi network, it is recommended to back up the data in your phone (contacts, messages, **, etc.) 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 phone or tablet can't turn on the wifi switch, it is recommended that you:

1.Restart the device to see if it can be restored.

2.Check whether the phone has installed third-party network management software. If so, it is recommended to uninstall the deletion attempt.

If the problem persists, please bring the purchase invoice, repair card and machine to the Samsung service center for testing, and professional engineers will solve it for you.

If you want to share your mobile data with other devices to access the Internet, do the following:

1.Turn on mobile data on your phone and select the net access point: pull down the top curtain menu - turn on mobile data; Settings - Connections - Mobile Network - Access Point Name - Select Net Access Point.

2.Settings - Connect - Mobile Hotspot and Network Sharing (WLAN Hotspot and Network Sharing) - Mobile Hotspot On, click the three dots in the upper right corner - Configure Mobile Hotspot - You can set the name, password, etc.

2.When the mobile hotspot is turned on, the connected Wi-Fi network will be automatically disconnected.

Factory reset and back up your important stuff when restoring!

Hello: According to your description, if the WLAN switch cannot be turned on, in this case, the system or hardware failure may be caused. It is recommended that you:

Back up your phone's data (**book, SMS, multi** files, etc.), and restore factory settings (go to phone settings - reset - factory reset).

If the problem persists, in order to understand and solve the problem of your mobile phone, it is recommended that you send your mobile phone to the nearest Samsung service center for testing, and the service center will determine the specific problem and accessories of your mobile phone according to the test results. For the specific address of the service center, please visit:

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, text messages, etc.) and restore your phone to factory settings.

If the fault persists, it is recommended to send the mobile phone to the nearest Samsung Tasting Factory Baijie Fat Mixing Coupon Service Center for testing and maintenance.