Samsung Blue Devil has no signal when connected to wifi

1. If the opportunity allows; Restart the wireless router; See if you 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. A new key entry attempt.

2. Please make sure that the wireless router does not have the wireless MAC address filtering function enabled; Wireless Settings - Wireless MAC address filtering, turn off the wireless MAC address filtering function Wireless Settings - Wireless MAC address filtering, turn off the wireless MAC address filtering function.

Three: What should I do if the wireless connection is successful and I can't open the web page?

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; Mobile phones sometimes can't effectively recognize Chinese:

3. If the above cannot be solved: we set a static IP for the mobile phone

4. The wireless router supports between 15-20 wireless devices; When the maximum number of connected wireless devices is exceeded, even though you are connected to Wi-Fi; But you're wireless; At this time, you can unplug the wireless router; Turn on the wireless router after 10 minutes.

Well, the phone reception signal is poor, the same as mine.

If your phone cannot connect to Wi-Fi, it is recommended that you:

1.Confirm whether other devices under the same no-start cable network are connected normally and troubleshoot network issues.

2.If other devices can be connected, please check that the Wi-Fi password entered is correct.

3.Reconnection after trying to forget network operation is stuck. Method: Swipe down the top curtain of the screen - press and hold the WLAN icon to enter the wireless network setting interface - click and hold the name of the wireless network that is not successfully connected and do not let go Forget the network and quietly search for the connection again.

4.If it doesn't work, restart your phone and router separately 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, it is recommended to back up important data (contacts, text messages, **, etc.) in your phone and try 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.