Samsung phone can t connect to wifi without SIM

Samsung phone can't turn on wifi switch, recommended:

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

3.If it is not solved, please back up the data in the device (**book, SMS information, multi** data, etc.), and restore the factory settings.

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

Samsung phones can be connected to Wi-Fi without inserting a SIM card. If you can't connect, you can troubleshoot and handle the problem by taking the following steps:

2. Check whether the Wi-Fi password entered is correct.

3. Check whether the connection of other devices under the same wireless network is normal, and whether the wireless network has set connection restrictions.

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

5. Please check whether the router connection is normal (unable to connect the cat), turn off the phone and the router and restart before trying to connect.

6. If none of the above operations are effective, 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 invoice, warranty card and machine to the service center for inspection.

The reasons and solutions for wifi not working are as follows:

1. The wifi secret socks brother cannot connect due to the wrong input code, and you can confirm the password again.

2. If the network settings of the mobile phone are faulty, restore the default network settings and then connect.

3. If there is no network signal on the wifi or the network cable is unplugged, check the network connection status to sue you.

4. If the hardware failure of the mobile phone causes the inability to access the Internet, you can go to the after-sales inspection and repair of the mobile phone.

If your Samsung phone can't connect to the wireless network, it is recommended that you do it

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.

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.

If the above operation does not work, please bring the purchase receipt, repair card and machine to the Samsung service center for inspection.

Possible reasons and solutions for Samsung phone not connecting to wifi network:

1.First of all, check whether the wireless router is working normally, you can use other mobile phones or digital products to connect to the wifi signal, if you can connect and surf the Internet normally, then generally this router can work normally.

2.The phone is turned on to sleep and the network is turned off.

Check whether the phone has the option to turn off the network in the dormant state, the phone will be disconnected after a period of time or cannot receive the background chat software, the possible reason is that the phone is turned on the function of turning off the network by mistake.

3.If you use the router for a long time, the router may freeze its death. Just restart your wireless router.

4.The type of certification is not suitable. Try to change the authentication type of the router, it is better to choose the secure "WPA2-PSK" type mode, and the following encryption algorithm is better to choose "AES".

5.The network settings of the mobile phone or router are abnormal. Consider restoring your router factory settings and cellular network settings.

It may be due to the following conditions:

1) There is a problem with the broadband that provides wifi hotspots, you can try to connect the computer alone;

2) If the broadband is normal, it may be caused by the wifi setting problem, you can reset the wireless network to try to connect;

3) Caused by mobile phone problems, you can change the phone for testing.

The reasons and solutions for wifi not working are as follows:

The password is wrong and you can't connect, so you can't use [enter the correct password].

2.The network settings of the mobile phone are faulty [restore the default network settings and then connect].

If you are connected, you can't access the Internet, because there is no network signal on the wifi or the network cable is unplugged.

4.The hardware failure of the mobile phone causes the inability to access the Internet [go to the mobile phone store or after-sales inspection and repair].

5.The mobile phone does not have a wifi function, so you can't use it [buy a mobile phone with wifi function to use it].

Hello and thanks for using Samsung products!

Based on your description, it is recommended that you try the following:

1.Turn off and restart the router, check the wireless router settings, and whether the DHCP function is enabled2Long press and hold the network name - select Forget, turn on the phone WLAN, search for signal connection attempt3Set a static IP address on your phone.

4.Try to change to a different router.

Try a factory reset.

Also, make sure that the wireless network can be used, if other mobile phones can connect, it is your phone's problem.