The phone cannot connect to Wi Fi, and the authentication problem occurs, and the IP address is not

There are several scenarios in which the phone cannot connect to Wi-Fi properly:

1) The wifi signal is set to hidden, you need to contact the network management to obtain the wireless signal name, and manually enter the wireless signal name and password connection in the mobile phone [Settings] - [Wireless LAN] - [Other Networks].

2) If the router is faulty, try to restart the router.

2. Prompt that the connection to the wifi is refused, and the fault phenomenon: others can be connected, but they can't connect to the wifi, and the connection is refused. Here's how to fix it:

1) The router device may have enabled wireless MAC address filtering, it is recommended to contact the NMS to add the MAC address of the mobile phone. The MAC address is viewed in [Settings] - [About This Mac];

2) If the router is faulty, try to restart the router.

3. The mobile phone connection to wifi prompts that it has been saved, but the connection fails. Here's how to fix it:

1) This prompt indicates that the encryption method, password or signal channel of the router of the wifi signal has been modified. It is recommended to reset the password and encryption type of the router, and the terminal connected to this network needs to [Ignore this network], and re-enter the password to connect.

2) If the router is faulty, try to restart the router.

You can empty the cache in the mobile browser, then turn off the mobile phone for 3 to 5 minutes, restart the mobile phone and connect to try it.

The password is wrong, and of course it can't be connected.

If the IP setting option of the mobile phone does not match the wifi, it will cause the mobile phone to connect to the wifi and prompt the IP configuration fails, and the static and DHCP replacement can usually be carried out to solve the problem, and the operation method is as follows:

Mobile: Redmi Note 4X

System: MIUI10

1. First find the "Settings" icon of your Xiaomi phone.

2. Then find the menu item of "WLAN".

<>4. Click the drop-down button of "IP Settings" on the page.

5. Then select the menu item of "DHCP" in the pop-up menu.

6. Set the IP address to DHCP to access the Internet normally.

Mobile Wi-Fi.

1. Click "Settings" in the mobile phone interface, as shown in the figure below;

2. Click WLAN to enter the WiFi interface, as shown in the figure below;

3. Click ">" next to wifi as shown in the figure below;

4. Select the IP settings and click "DHCP", as shown in the following figure.

5. Select IP as set to static, as shown in the figure below.

7. Then fill in DNS1 and click "OK", as shown in the figure below.

The reason is a DNS error and the router is not properly assigned the IP address. Just configure the DNS of the wireless router.

Wireless router DNS configuration method:

1. Enter the IP address of the router (on the label behind the router) in the address bar of the browser, and enter the login username and password to enter the settings page.

2. In the running state, we need to see our current DNS here. Search the local DNS address of the broadband operator you are using online to see if it is the same, if not, you need to change it.

Summary. Dear, I'm glad to answer for you: The mobile phone is connected to wifi but it shows that it cannot be authenticated, and the method is as follows:

1. IP conflict: This wifi can be connected normally before, and suddenly only your mobile phone can't be connected, but someone else's mobile phone can be connected normally. Workaround:

Restart the wifi function of the phone, turn off and restart the wifi function of the phone, wait for the router to reassign the IP address to avoid conflicts; Reconnect after deleting, if you restart the mobile phone wifi function and still can't connect, you can click "forget" this wifi, and then when you reconnect, the re-enter wifi password box will appear, and then you can solve the IP conflict problem. 2. Identity authentication problem: When connecting, it always shows that identity authentication is in progress, but it cannot be connected.

Check if the DHCP assignment function is turned off; Mobile phone: Take i0s as an example, click - Wireless LAN - the blue exclamation mark on the right side of wifi - select [Static] as IP address, and then enter the relevant parameters according to the routing settings.

Why does my phone show that it cannot be authenticated when I connect to WiFi?

Dear, I'm glad to answer for you: The mobile phone is connected to the stool friend's wifi but it shows that it cannot be authenticated The method is as follows: 1. IP conflict:

This wifi used to be able to connect normally, and suddenly only your mobile phone could not be connected, but other people's mobile phones could be connected normally. Solution: Restart the Wi-Fi function of the mobile phone, turn off and restart the Wi-Fi function of the mobile phone, and wait for the router to re-assign the IP address to avoid conflicts; Reconnect after deleting, if you restart the mobile phone wifi function and still can't connect, you can click "forget" this wifi, and then when you reconnect, the re-enter wifi password box will appear, and then you can solve the IP conflict problem.

2. Identity authentication problem: When connecting, it always shows that identity authentication is in progress, but it cannot be connected. Workaround:

If the default settings are still unattached, consider whether the router has DHCP assignment issues or the phone has obtained the wrong IP address. Router: Check whether the DHCP allocation function is turned off. Mobile:

The gigabit port green light keeps flashing, what's going on.

Dear, explain the IP problem.

How do you get it. Dear, the indoor pigtail connection optical cat connector is loose or the contact is poor, in this case, you need to dial down the interface and clean it up and plug it back in.

Got it, it's still flash.

Pro, regional broadband failure, may be the entire area of the wide and sensitive belt is being overhauled or out of fault in maintenance, this situation can call customer service ** to understand the situation, waiting for the maintenance personnel to repair the balance of the branch to restore the broadband on the reputation.

Why does my phone show that it cannot be authenticated when I connect to WiFi? Hello Kiss Method 1 Delete the profile. If you have changed the WiFi password before, but not the WiFi name, the wrong WiFi profile will be saved on the phone, resulting in an unsuccessful signal connection, you can try to delete the WiFi profile saved on the phone.

Specific steps: Take the Apple mobile phone as an example, click on the "blue exclamation mark circle" on the far right of the wifi interface of the wifi, and then click "forget this network", then search for the wifi again, and enter the password to connect. How to solve the problem of identity verification, 4 ways to easily solve the failure of mobile phone wifi verification, method 2, channel problem.

Due to too many nearby routers, the signals interfere with each other, resulting in problems, at this time, you can change the router channel, generally in the wireless settings of the router settings interface - channel and bandwidth, and then change it. How to solve the problem of authentication wifi, 4 ways to easily solve the failure of mobile phone wifi verification method 3 IP address assignment problem. If your phone can't connect to WiFi properly, it may be that there is a DHCP address assignment issue on your router or that your phone has obtained the wrong IP address.

Router: We need to check whether the router has DHCP disabled, if so, it can be turned on. Mobile phones:

We can try to set it on the phone: Settings - WiFi - click on the "blue exclamation mark circle" on the far right of this WiFi - select the IP address as [Static], and then enter the relevant parameters according to the routing settings. How to solve the problem of authentication wifi, 4 ways to easily solve the failure of mobile phone wifi verification Method 4 If the router is set up with MAC address filtering, it may also cause a situation of "authentication problem".

At this time, we can change the MAC filtering rules or turn off the MAC filtering function directly. Specific steps: Enter the router's settings interface through a computer or other device that can be connected to the router, enter the default management IP of Tengda router in the browser, different manufacturers have different management IPs), and then enter to enter the router interface to view, find advanced settings - MAC address filtering, and then change the settings.

How to solve the problem of identity verification wifi, 4 ways to easily solve the failure of mobile phone wifi verification The "authentication problem" may also be caused by the incompatibility of encryption methods, such as: mobile phones, computer problems, or router problems Hu Chang, but this situation is relatively rare, mainstream mobile phones, computers, routers and other devices generally do not have this compatibility problem. But, if your phone is a more "partial" brand, it's hard to say.