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If your tablet cannot connect to a wireless network, we recommend that you:
1.Check whether other devices under the same wireless network are connected properly and troubleshoot network issues.
2.If other devices can be connected, please check that the Wi-Fi password entered is correct.
3.Try to reconnect after forgetting the network operation. Method: Swipe down the top curtain of the screen - press and hold the WLAN icon to enter the wireless network settings interface - tap and hold the name of the wireless network that is not successfully connected and do not let go Forget the network, search for the connection again.
4.If that doesn't work, restart your tablet and router, and try to connect again.
5.Check the system version of the device and upgrade to the latest version.
6.If you still can't connect to the Wi-Fi, we recommend backing up important data (contacts, text messages, **, etc.) in your device and trying to restore factory settings.
If the problem persists after the above operations, please bring the purchase invoice, warranty card and device to the Samsung service center for inspection.
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If your phone shows that you are connected to a wireless network, but you still can't access the Internet, it is recommended to:
1.Turn off the handset and restart, reset the device, and then reconnect to the Wi-Fi.
2.Please confirm the bandwidth of the router (the bandwidth supported by the router is 40MHz, it is recommended to set it to 20MHz), and confirm 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 via Wi-Fi, we recommend that you try to use a static coarse IP address. Method: Settings - (Connect) - 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.Try to restore factory settings after backing up your phone's important data.
If the problem still exists, it is recommended to bring the purchase invoice, three-guarantee voucher and mobile phone to the Samsung service center for testing by engineers.
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Hello: According to your description, it is recommended that you:
1.Turn your phone and wireless devices on and off again.
3.If possible, this is the case with a change to another router or a wireless connection attempt.
4.Back up your phone's data (book, SMS, multiple files, etc.) and restore factory settings.
If the problem exists, it is recommended that you send your phone to the nearest Samsung Liquid Service Center for delay detection.
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Reasons and solutions for Samsung S4 mobile phone not connecting to wifi:
1. If the opportunity allows, restart the wireless router to see if it can solve the problem.
2. In Make sure your phone is within the wireless network coverage range, click "Scan" to refresh the wireless network list.
3. Connect the computer to the router through the network cable and log in to the management interface of the router.
4. In Wireless Settings - Basic Settings, the channel is between 1 and 11, the wireless function is turned on, and the router is restarted.
1. The unsuccessful wireless connection may be caused by incorrect settings of wireless password and other parameters. Re-enter the key attempt.
2. Please make sure that the wireless router does not turn on the wireless MAC address filtering function, wireless settings - wireless MAC address filtering, and turn off the wireless MAC address filtering function.
Three: The wireless connection is successful, and the webpage cannot be opened.
1. First of all, check whether the router is connected to the external network, log in to the router management interface, and look at the running status - WAN port status, if it is 0, please follow the router quick setup guide to set it again.
2. If the computer can access the Internet, the mobile phone cannot; Check whether the SSID number of the wireless router is in Chinese, if it is changed to letters and numbers, the mobile phone sometimes cannot effectively recognize Chinese.
3. If the above cannot be solved, set a static IP for the mobile phone.
4. The wireless router supports between 15-20 wireless devices, when the number of wireless devices connected exceeds the maximum number, although it is connected to the wireless, it is still impossible to access the Internet, at this time, you can unplug the wireless router and turn on the wireless router after 10 minutes.
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1. Open the browser of the computer connected to the current wireless router, enter part of the router in the address bar, check the bottom label of the router to know), log in to the web configuration interface of the current router, and the default username and password are admin
2. Under the network settings of the router, first find the WAN port setting option of the router. Setting the "type" correctly here is the crux of the matter. Generally, there are two commonly used types:
PPPoE and DHCP. Choose this according to your own situation. If it is a home ADSL dial-up Internet access, choose PPPoE; If there is a direct network interface available, such as cell broadband or a hotel, DHCP is chosen
3. If it is DHCP, there is no need to make other settings, and the router will automatically obtain the corresponding network settings. If you choose PPPoE, you need to fill in the correct username and password, which are provided by network service providers, such as China Telecom, and if you forget your password, you can call 10000 for manual consultation.
4. Next, check the LAN port settings of the router. The settings of different brands are actually similar, the most important thing is to turn on the DHCP function, so as to ensure that the router can assign an IP address to the device when it is connected to the LAN port or connected to WiFi, and the IP address range assigned by DHCP should be in the same network segment as the IP address of the router, for example.
5. Finally, check the security settings of your router. Check whether you have enabled some security policies that restrict MAC or IP address connections, or the corresponding rate limiting policy, and if so, turn them off, otherwise only devices with specific MAC or IP addresses can connect.
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There may be some reasons why the wifi connection is not working:
1. WiFi router problem.
1. The router is overloaded and fakes, and it can be solved by restarting;
2. There is a problem with the WiFi part of the WiFi router, which is a hardware problem;
3. The number of users connected to the router exceeds the maximum number of DHCP range, and then the device cannot obtain the IP address and cannot connect to the WiFi network, so you can use a static IP address to try;
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