Why does Samsung S8 sometimes show wifi not available?

We recommend that you 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.

We recommend that you perform the following steps:

1.Turn off your phone, restart your router, and reconnect to your wireless network.

2.Confirm the transmission bandwidth of the router (the supported router supports 40 MHz, we recommend setting it to 20 MHz) and check whether the router network is normal.

3.Confirm that IP address filtering is set up in the router MAC address filtering.

4.If you still can't access the Internet on WLAN, it is recommended to try the static IP method in the rubber grip hall: Settings - WLAN - Select a wireless hotspot - Show advanced options - Tick - Swipe down the screen - IP settings - Static - IP address Gateway.

5.Connect to another router and try to taste.

6.After backing up your phone's important data, restore factory settings, Pi Xun try.

If the problem still exists, it is recommended to bring Liang Yin with the purchase invoice, three guarantees voucher and mobile phone to the service center for testing by the engineer.

It shows that the reason for the Internet shutdown is caused by the conflict between the Internet and the Jane clan.

Here's how to fix it:

1. Open Settings.

2. Tap on Apps.

3. Click on Application Administrator.

4. Point Spike Fight the Internet.

5. Click Save.

6. Click Clear Data.

Shows that the cause of the Internet outage is caused by a conflict in an Internet program.

Here's how to fix it:

1. Open Settings.

2. Tap on Apps.

3. Click on Application Administrator.

4. Click on the Internet.

5. Click Save.

6. Click Clear Data.

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

2.Confirm that your phone data is turned on, and swipe down on the top curtain of the screen.

3.Swipe the taskbar at the top of the screen to the left and turn Mobile Data to green.

4.Under the Standby page, tap Applications.

5.Click Settings.

7.Select Mobile Network.

8.Select Access Point Name.

9.Click the [Menu] button at the bottom left and select [Reset to Default]. Once the setup is complete, restart your phone.

There are so many reasons.

The data is turned off.

The control software closes the software and goes online.

The Internet access module of the mobile phone is broken.

It's going to be like this.