Wifi connection error on android what to do. What is authentication? Fixing WiFi authentication error

When connecting to a Wi-Fi channel, devices running on mobile platform Android, may occur different problems, the most common of which is WiFi authentication error.

Most often, problems arise due to incorrect settings in or in the mode of operation of the router, as well as the channel selected for the Wi-Fi network. When you try to connect to the network using an Android tablet or phone, you may see some errors.

WiFi (Android)

This is an authentication issue in which the "Disabled" designation usually appears and the device is Wi-Fi networks does not connect.

This device is often a smartphone, but WiFi authentication errors on tablets are just as common.

Endless acquisition of IP addresses

The connection status is: “Obtaining an IP address” or “Connecting”. However, the device does not connect to the network. As you can see, the WiFi authentication error is not the only one, although it is common.

Error “Saved, protected by WPA\WPA2”

A device running Android OS connects to the router via Wi-Fi, but the Internet still does not work. Websites do not open in the browser. Most often in such cases the network level indicator is inactive (for example, gray, but before it was blue). Next, we will try to figure out how to authenticate WiFi, as well as eliminate all the problems described above.

Problem Solving

Before you start making changes to any settings, we recommend that you simply restart your device that refuses to connect.

There is a possibility that we are dealing with some kind of glitch, and rebooting the device will help. If it doesn't help, let's look at other options. If everything connected before, but now it doesn’t want to (and you haven’t changed any settings), we recommend changing the channel for working with the wireless network. Perhaps appeared new router nearby, whose network interfered with the usual connection.

This can most often be done in the “Wireless” tab. Or in another place where you usually configure your wireless network settings. The procedure is as follows: change the channel number, save the settings, reboot the router, and then try to connect.

The device connects, but the Internet still does not work

You see the status “Connected”. Everything seems to be correct, but the Internet is still not working. First of all, you need to make sure that the network is actually present on the router. Often a similar problem occurs when you first connect some other device to Wi-Fi. If it connects, but the Internet refuses to work, most likely we have a problem with incorrectly configured settings on the router. If another device goes online, try our other tips in action.

WiFi Authentication Error: Details

If you can see an error on your phone screen that displays the message “Authentication”, most likely this is an issue related to incorrect security settings or an incorrect password.

When writing your password, adhere to the specified letter case. If you enter the password correctly, check your security settings. Set the security type to WPA2. The password must be exactly 8 characters long. Also, try changing your operating mode. wireless network. You can change it in the same place where we selected the channel (router settings).

Reboot your router and save the settings after each change you make.

It's also worth checking your region settings. Please indicate the country you are in. Check if the specified device works with other Wi-Fi hotspots. It is possible that the problem is with your tablet or phone.

What if it's a virus?

We haven't mentioned above that WiFi authentication error may occur due to violation system files And dynamic libraries various malware(in other words, viruses) that attack your mobile device.

In this case, immediately apply comprehensive measures to combat the specified error. There are several programs that can solve such problems without much time investment. Just follow all instructions antivirus program after its launch. Use only proven applications, and then the likelihood of all sorts of malfunctions in the operation of your mobile device (including wireless network detection) will be significantly reduced.

We may not have described a solution for all Wi-Fi connection problems, but we tried to focus on the most common situations. For more detailed information contact your provider or service center.

One of the common problems when connecting an Android phone or tablet to Wi-Fi is an authentication error, or simply the message “Saved, WPA/WPA2 protected” after trying to connect to a wireless network.

In this article, I will talk about the ways I know to fix the authentication problem and still connect to the Internet distributed by your Wi-Fi router, as well as what may cause this behavior.

Contact the point manufacturer or router for assistance. . This alert notification is enabled or disabled in the app settings. This warning notification is defined in the application settings. To clear this message, follow these steps:

Connecting to an access point that uses the default network name may present a security issue. This access point typically uses all default security and management settings. If you are using personal network, change the security settings and network name to improve network security.

Saved, WPA/WPA2 protection on Android

Typically, the connection process itself when an authentication error occurs is as follows: you select a wireless network, enter its password, and then see the status change: Connection - Authentication - Saved, WPA2 or WPA protection. If a little later the status changes to “Authentication Error”, while the network connection itself does not occur, then something is wrong with the password or security settings on the router. If it just says “Saved,” then it’s probably due to the Wi-Fi network settings. And now, in order, what can be done in this case to connect to the network.

File sharing and printer sharing allow other computers on the network to access resources on your computer. To clear this message and restore shared network folders When logging out, follow these steps: If you receive a message with a card that is not detected by the network, the card has been removed or not installed. The card may have been removed or not installed.

• Click My Computer and select Properties.
• Select "Hardware".
• Click Device Manager.
• Select " Network adapters».

Important Note: When changing the wireless network settings in the router, delete the saved network on your phone or tablet. To do this, in Wi-Fi settings, select your network and hold it until a menu appears. There is also an “Change” item in this menu, but for some reason, even on the latest versions of Android, after making changes (for example, a new password), an authentication error still appears, while after deleting the network everything is fine.

To check the path and name, follow these steps: This authentication error is usually caused by incorrect server credentials. To resolve this error, follow these steps: The specified ID must match the ID that was issued by the certificate and registered with the authentication server used by the authenticator. This requirement depends on the authentication server and typically means that the authentication server must know the recipient of the certificate as the certificate authority. You must log in with the same name that was used when installing the certificate. Click Next to select another certificate from the list installed certificates or specify a different server or certificate name. Click Connect and try to connect to the network and authenticate with the server.

• The certificate must be valid for the authentication server.
• Select a profile from the list of profiles.
• Click Properties to open the General Settings page.
• Click Next to open Security Options.
• Enterprise security has been selected.
• Select a profile.

Very often this error is caused by incorrect input password, and the user can be sure that he enters everything correctly. First of all, make sure that the Wi-Fi password does not use Cyrillic, and when entering you respect the case of letters (capital and small). For ease of verification, you can temporarily change the password on the router to a completely digital one. You can read about how to do this in the instructions for setting up the router (there is information for all common brands and models) on my website (also there you will find how to log in in the router settings for the changes described below).

Router settings for connecting a phone

Authentication failed because the authentication clock expired while authenticating this mobile station. If the rogue access point does not exist or is not suspected, click the profile in the profile list. Click Connect to establish a connection to the network and attempt to authenticate with the server. This error occurs when the authenticator does not accept the profile credentials. To resolve this issue, contact your administrator.

Solving problems with authentication errors on your device

Go to the management console. In any case, the identifiers that need to be filled in are the identifiers of your email address. This makes it easy to send email from unfree external connection. Go to your email management console.

The second common option, especially for older and budget phones and tablets - unsupported Wi-Fi network mode. You should try turning on 802.11 b/g mode (instead of n or Auto) and try connecting again. Also, in rare cases, changing the wireless network region to the USA (or Russia, if you have a different region installed) helps.

Make sure the service is activated. You can now customize your email software with the following new settings. Check your wireless connection. The first step is to try connecting another device to the same network to check the correct function wireless connection and checking that the router is configured correctly.

Save your changes and return from settings. Check your wireless signal strength. Wireless network performance depends on signal strength. You need to connect to a place where the signal is strong. Make sure your firmware is up to date. Try rebooting your device to factory settings.

The next thing to check and try to change is the authentication method and WPA encryption (also in the router’s wireless network settings, the items may be named differently). If you have WPA2-Personal installed by default, try installing WPA. Encryption - AES.

Another method suggested in the comments - try setting a Wi-Fi network password consisting of only numbers, it may help.

And the last method, which you can try if something happens, is to automatically fix problems using the Android WiFi Fixer application (can be downloaded for free at). The application automatically corrects many errors related to the wireless connection and, judging by the reviews, it works (although I’m not entirely sure how).

Error: 619: The specified port is not open. Error: 629: It has been disconnected from the selected number's computer. Error: 633: Modem is already in use or not configured for dialing external number phone.

• Was the computer restarted after installing the modem?
• If not: do it.
• Isn't there a microfilter in front of the modem?
• Modem error?

• This error is caused by an incorrect connection setup.
• Check your modem and phone number.

Users often experience an authentication error when connecting to WiFi on Android devices. Most often it is caused by an incorrect password entry, although situations where a previously working connection suddenly denies access also occur. Read more about why this happens and how to deal with it later in the article.

Reasons for Authentication Error

Any secure network requires a key - code word, which gives the user the right to receive and send information. If you do not enter correct password, then when connecting to Wi-Fi, the system will write: “authentication error” and the connection protocol will be disrupted. An incorrectly entered combination of characters is the most common problem. To avoid this, it is recommended to remember:

The most common reason for this is the modem hanger. . Error: 680: No dial tone. Is the service already active? - If not, we can call and find out if the line is ready or wait. Does the signal originate, for example, through the central unit? . Error: 692: Hardware failure in the domain.

Problem with Android device firmware

Make sure your computer has network adapters - if so, disable them in Device Manager. 720 errors have been known to appear when there is a problem with the firewall or antivirus program.

• Uninstall the floppy software.
• Other ways to remove this error are described in the section: Error 720.
• The connection attempt was unsuccessful.

• letter case matters;

• you need to check the input language;

• Replacing letters like “s” in English with “s” in Russian is unacceptable.

If, even after entering the absolutely correct password, the device does not connect to Wi-Fi, the authentication error may be on the router’s side. Depending on the characteristics of the connected device, the following can be checked during connection:

Error: 749: Invalid phone number. Properties phone call installed incorrectly. . Error: 756: This connection is already selected. We are creating a new Internet connection, the old connection is damaged and can be deleted. Error: 777: The connection attempt failed because the modem or other device connected to the remote computer is damaged.

Error: 797: The connection failed because the modem was not found. To disable network adapters, go to Control Panel and find the System icon, click on it. The most obvious thing is that the modem was connected before installing the drivers. We remove the drivers and reinstall. Let's remember to connect the modem when asked to do so. Should drivers be installed for the modem? - check, install. Sometimes it's worth creating a new connection. It is also possible that this error occurs when the modem is faulty.

• Go to the Hardware tab and click the Device Manager button.
• In the equipment tree, click on the separator network cards.
• Right-click on the backup network card and turn it off.
• Restart your computer to remove the installation.
• Network card drivers are installed.
• Install them.
• Disable the network adapter - enable it in Device Manager.
• Paused voice gateway.

• Network SSID;

• Router MAC address;

If at least one of the points does not match the data stored in memory, the smartphone or tablet will interrupt the connection protocol for security reasons. This discrepancy may be caused by:

Using Wifi Fixer

Follow the link and click the "Add" button. In the “Create a new connection” window, select “Connect to a network using broadband” and click “Next”. In the next window, enter a name for the call and click Done. It was also checked that the new connection is set to default and that the option is always selected: Always select the default connection.

The term "Authentication Error"

As a result of our work, an Internet connection window and an icon will appear on the desktop. You enter a username or password, but do not change anything in the connection settings. Another user connecting with your username and password is a very serious violation of the rules - never give data to anyone.

• Re-enter your username and password.
• Everything looks correct and the error is still happening.

• settings failure in the router;
• malicious substitution;
• new.

Regardless of the cause, the problem must be resolved comprehensively: both on the connection device and on the router.

Android Devices: Troubleshooting Authentication

So, there was a Wi-Fi authentication error on Android: what to do in such a situation? First of all, you need to make sure that:

After removing the keys, turn off your computer and turn it on. . Error: 718: Timeout waiting for a valid response from the remote computer. Usually we have a blank user field in the connection settings, please enter the relevant details and connect to the Internet. Error: 735: Ї ± specified address was rejected by the server.

You created a connection but you don't have a network adapter, or you created a connection and then installed a network adapter. Error: 741: The local computer does not support the required data encryption type. Error: 769: The specified destination is not available.

• the connection is made to exactly that network;
• the password was entered correctly;
• is there a limit on the number of connected devices;
• You're the only one with a connection problem.

You can try to enter the password again. To do this, go to Settings - Wireless networks (wireless connection - depends on Android versions). In the window that appears, find and press the SSID name, select “change settings” in the drop-down list. Enter a new password and try to connect again. If this doesn't help, read on.
In case your phone does not connect to WiFi, the authentication error occurs on the device itself. To resolve this issue, you will need to take several steps.

When trying to connect to Wi-Fi from a mobile device, an authentication error may occur. It is available on both Android and IOS devices.

What does the error mean?

The first time you try to connect to a password-protected network, your phone or tablet will ask you for a password. Entering it will result in network access or an authentication error. An error will occur if the password does not match the one set in the router settings.

An authentication error may appear when connecting to the network.

There are cases when the error occurs not on the first connection, but on the second one. That is, for the first time everything is fine, the network connects, but after a while an error notification appears. This happens due to the fact that the password was changed in the router settings or due to some failure in the device itself.

In rare cases, it is possible that the device does not allow you to connect to the network because it uses an invalid type of encryption.

So, the main reason for the error is an incorrectly entered password, a system failure, or an incorrect encryption type.

Troubleshooting

Consistently follow all the instructions below until you get rid of the problem. First, we present a solution for the most common type of error. But first, don’t forget to reboot the router and the device itself, perhaps this is what will help fix the error and the need for further actions will disappear.

Reentering your password (Android)

Video: What to do if an authentication error occurs

Re-enter your password (IOS)

Password reset

If you are unsure that you know the correct password, you should reset it. To do this, turn the router to the back side and a small Reset button for 10–15 seconds. As soon as the router goes into reboot, you can release it - the reset is completed. Now there is no password on the network, access to it is open.

Press the Reset button for 10–15 seconds

Setting a new password

By resetting your password, you have opened up access to the network to everyone, this is not good, you need to set a password. To do this, connect to Wi-Fi from your computer and open your browser:

Encryption type changes

It is possible that your router by default uses an outdated type of encryption that is prohibited on the connected device. On at the moment Both Android and IOS devices support AES encryption, since it is the most secure. To install it on the router, you need to enter the management interface (how to do this is described in the previous paragraph), go to the password and security settings section and set the value to WPA2-PSK, and set the Encryption line to AES.

Set the type WPA2-PSK

Reset iOS settings

If all the above steps did not help get rid of the problem on your iOS device, then you should try resetting the network settings. All data, applications and phone settings will not be affected, only network settings will be reset to factory settings.

What to do if the router is broken

If the error occurs on all devices trying to connect, and resetting and reconfiguring did not help, then the failure lies in the physical component of the router. In this case, you should take it to a service center so that specialists can sort it out.

If on Android or iOS device An authentication error occurs, reboot the device, forget the network, reset the router and reconfigure it. On iOS devices, resetting network settings sometimes helps.

An authentication error occurs when connecting to a WiFi network - this is a very common problem. That is why it is so important to understand why it appears and how to eliminate it. But before moving on to network settings and troubleshooting, you should understand what authentication is. This will help you understand why it appears this error and how to quickly and permanently eliminate it.

What is authentication

This is a wireless network security system that prevents outsiders from connecting to your group. Today, there are several types of authentication. Choose the most suitable option possible in the settings of the router or access point that is used to create home network. As a rule, nowadays the encryption type (authentication) used is WPA-PSKWPA2-PSK2 mixed.

This is the most secure type of data encryption and is very difficult to crack or bypass. However, it can also be divided into two types. For example, at home, an option with one key phrase for all subscribers is used. The user himself sets the key, which is subsequently required to connect to the network.

The second type of encryption is used in organizations that require an increased level of security. In this case, each trusted subscriber is assigned a unique passphrase. That is, you will be able to enter the group only from your computer and only after entering a unique key. In the vast majority of cases, an authentication error when connecting to a WiFi network occurs precisely when the encryption types and the entered passphrase do not match.

Why WiFi Authentication Error Occurs: Video

Why does the authentication error appear and how to fix it

As mentioned above, if when connecting to a WiFi network the system writes “Authentication error”, then first of all you should check the correct spelling key phrase, and whether it is enabled Caps Lock. , then you can check it in the router settings. But to do this you will have to connect to it using a cable.

Let's look at how to find out the password using the D-LinkDir-615 router as an example. After connecting to the device, open your favorite browser and address bar register the IP of the router. You can find it in the instructions or on the body of the device itself (carefully inspect it from all sides).

How to easily find out the IP address of a WiFi router: Video

You can also find out the router's IP using command line. Press the Windows key combination + R, type CMD and press Enter. In the window that appears, write the ipconfig command. Find the line “Main gateway” - this is the address we need.

Write it in the address bar of your browser and press “Enter”. Next, the system will ask you to enter your username and password. We write admin, admin respectively.

Now at the bottom of the screen, find and click the “Advanced Settings” button. Several will appear additional windows. We are interested in the section called “WiFi”. You need to find security settings in it. This is where you can select the type of authentication (encryption) and change the password.

Connecting to a WiFi router in Windows 8: Video

Sometimes an authentication problem when connecting a computer to WiFi appears even if the key is entered correctly. This may mean that the router has crashed or is simply frozen. This can be resolved by simply rebooting the device. This can be done in settings or simple shutdown food for 7-10 minutes.

You should also check the channel on which the router is operating. To do this, return to the initial menu. In the WiFi section, click “Basic settings” and find the “Channel” line. It is recommended to set the value to “Automatic”.

There are also cases when similar error does not appear due to problems with the router or due to an incorrectly entered key. In this case, you should check the settings in the operating system.

OS check when authentication fails

To connect to a wireless network, the computer uses a Wi-Fi adapter. It is because of him malfunction WiFi network authentication problems may occur. First of all, you should check the presence and correct operation of drivers. This is done in the device manager, which can be launched as follows. Find the “My Computer” shortcut and right-click on it.

Select "Properties" and open "Device Manager". You can also simultaneously press two keys – Windows + R, in the window that appears, write mmc devmgmt.msc and press “Enter”. In the window that appears, we are interested in “Network adapters”. Open the thread and see if yours is on the list WiFi module. As a rule, it has Wireless Network Adapter in its name. If the device is marked exclamation point, then the drivers are not working correctly.

When connecting to WiFi on an Android Samsung, Lenovo, etc., an authentication error may appear . What to do then, because the Internet is so necessary.

In most cases, this error is easy to fix. The very word “authentication” gives a hint, wrong password or encryption.

Correct WiFi configuration, choosing a good router and network card in your computer have great value to ensure good coverage in our home.

What to do with smartphones and tablets? In them we will not change the network card or install a larger antenna for better range.

It often happens that WiFi works correctly on all computers and laptops in the house, while the phone cannot connect - poor range or the network is completely invisible.

How to fix this? I have prepared several recommendations that will help you solve problems not only with wifi authentication on Android..

Wifi authentication error - Android does not see the network

If you connect to Wi-Fi on your computer (laptop) and everything works correctly, while the android does not see it at all, it means that it is either hidden, or works according to a standard that your phone cannot detect.

What to do? You can analyze the situation when the network is hidden. Every router has the ability to hide the SSID, that is, the network name.

When this option is active in the router, WIFI works, but it is not visible to devices. To connect, you must enter the name manually.

Go to "Settings" -> "Connection" -> "WiFi" and then at the bottom select "Add network...". Then enter the name of your network that you want to connect to in the Network SSID field.

If Wi-Fi is running on your computer, you can click on the icon in Windows and see the name of the network you are currently connected to.

Enter the name on android and then save it. If such wifi is found, it will not appear in the list, and now you can always connect to it.

Wifi authentication error - the network is not supported by the android phone

Wi-Fi can operate on different bands (2.4 GHz or 5 GHz), as well as different standards(802.11a/b/g/n/ac).

Your device must support the bandwidth and network standards set in the router.

For example, if the router only has the 5GHz band and 802.11ac is enabled, chances are the Android won't be able to connect - there are still many phones and tablets that don't support such technology at all.

The situation is similar to the situation when you have a router installed in the “ONLY 802.11n” standard, i.e., without support for the older “802.11a / b / g” standards. If your phone does not support "N", then such a network will also be invisible.

Even if you have a modern router that supports 5GHz bandwidth, it always gives the second, older standard for older devices.

Each router manufacturer installs its own software, so the settings interface may look different.

Wifi authentication error - Android won't connect to network

It may happen that the network will be visible, and when you try to connect to it, it will not work. Of course, in this case, make sure you enter the correct password.

If you are sure that the password you entered is correct, and the network, for example, does not want to assign you an IP address, this means that the problem is a little deeper. Here are potential sources of problems and their solutions.

wifi authentication error - unsupported network security on router

Communication is secured using various methods encryption. The most popular security feature is WPA2 and AES password encryption.

It just may happen that older Android phones cannot handle this encryption mode. What to do?

If you want to connect to such Wi-Fi from a tablet or phone, all you have to do is either replace the phone or change the protection method on the router.

Changing the security method is very simple. You need to log into the router from your computer by entering its IP address in the browser window, and then go to the option network security(Wireless Security).

In the place where you can enter a password, you will usually find a password encryption and security method.

If in present moment The security mode is set to WPA2/AES, you can try changing it to another one.

Android phone wifi authentication error - only approved devices allowed

The second reason why Android writes a wifi authentication error is MAC address filtering.

When you enable the MAC address filtering option, the router works in such a way that it only allows devices whose MAC addresses are whitelisted.

Perhaps the person who set up Wi-Fi enabled the feature, added your devices' addresses to a list so they could connect while no others additional devices can now not be connected.

What to do? To completely disable this feature, log into the router from a computer connected to the network and go to its settings.

In the settings, find the "MAC Filter" tabs. If this option is marked as enabled, then you have two options.

You can simply disable this feature or add your phone's address to have the router allow it.

If you want to disable this feature, simply select Disable. If you want to add your phone to the list, leave the feature enabled, then on Android go to Settings -> Wi-Fi -> Additional options” and check your address in the “MAC Address” field.

Rewrite the MAC address from Android to one of the fields in the list of devices allowed for Wi-Fi, and save the changes.

Wifi authentication error on android phone - IPv6 address assignment enabled

Many users report that the cause of problems connecting their Android phone is the inclusion of IPv6 addresses on the router.

If you disable this feature, mobile devices can connect easily. It's worth checking your router settings.

Log into the router, then go to the connection settings and look for the option, which can be called “DHCP v6” or “IPv6”.

This option can be found in different places depending on the router. For example, in Linksys, you need to go to the Internet Settings tab, go to the IPv6 section, click Edit, and then switch the Enabled option to Disabled.

In turn, in other routers this option is called “DHCP v6” or “6RD”. In this situation, you need to disable it.

Common ways to fix wifi authentication error on android

The above solutions are quite specialized and require changing your router settings (usually).

Errors with WiFi in Android are not always caused by incorrect setting. Sometimes very simple solutions help.

If you have problems with poor connection or bad work Wi-Fi, we can do the following:

- turn off Wi-Fi on your Android, then turn it on again and connect again;

- Go to Settings > Wi-Fi, then hold your finger on the saved network and select Forget network, then connect again;

- turn off the power saving options on android because often when the battery level is lower WiFi signal becomes weaker (depending on the device model, since these parameters are usually added from manufacturers in various settings);

- if you have a coverage problem, check if the situation improves when you get closer to the router with your phone (if so, you may need to replace the antenna for better relay);

- check for updates on your Android phone (often problems with software cause bad connection to Wi-Fi, and everything returns to normal after switching to more new version, where the manufacturer corrected the error;

Write as much information as possible about your WiFi and provide the model of your device. I will try to help you solve problems in the shortest possible time. Good luck.