Authentication Error Occurred on Vivo Y02T? Here Are 10 Proven Fixes

There are times when users get an authentication error while they connect to a Wifi network. The problem is mostly found in Android whenever a device tries to establish a connection to Wifi. If your device is also experiencing an authentication problem Wifi, then don’t worry. It can easily be resolved. In this post, we will make you familiar with the root cause for the Vivo Y02T Wifi problem and how you can resolve whenever authentication error occurred on your device.

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Part 1: Any idea about the Wi-Fi authentication problem?

Wi-Fi authentication has to be done every time you wish to connect to a Wi-Fi network over your smartphone or laptop. To authenticate yourself and connect to the protected Wi-Fi network, you need to have the password of it. But if after you’re putting in the correct password and still experiencing the wifi authentication problem. Here’s what you need to know.

Authentication error occurs when the “deal” between the Wi-Fi router and device fails due to certain reasons. First, the Vivo Y02T device sends the password of the network and the “connect” request in an encrypted format to the Wi-Fi router. Then, the router decrypts the password and compares the password saved on it. Now, if the password matches, it sends affirmation for the “connect” request, and then the Vivo Y02T device is allowed to connect to the network.

Part 2: Why Authentication Error Occurred when Connecting to Wifi?

There could be plenty of reasons for facing an authentication error on your device. Most of the time, it occurs whenever a Wifi router seems to malfunction. Furthermore, if your phone has been recently updated, then chances are that there could be an issue with its drivers. A security attack can also make your device malfunction as well. An unstable connection or a router blockage can also be a reason for this issue.

In this scenario, whenever you try to connect to a Wifi network (even after supplying the correct password and username), it doesn’t connect to it. Instead, it displays an authentication error occurred promptly. Thankfully, there are plenty of ways to overcome the authentication problem Wifi. In the next section, we have provided three different solutions to fix the Vivo Y02T Wifi problem (as it mostly happens on Android devices).

Part 3: 10 Solutions to Fix Wifi Authentication Error

Before we make you familiar with different fixes for the Wifi authentication error, it is important to check your router beforehand. Chances are that you could be getting the authentication error because your router is not functioning properly. You can restart it and try to connect any other device to it as well to check it. After making sure that there is no problem with your network or router, follow these suggestions to overcome the authentication error occurred issue.

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Check if extra characters added in Wi-Fi password

Ensure that no other extra characters are being added in the Wi-Fi password while you’re entering it. Key in the password carefully while viewing the characters, and then check if the authentication error occurs or not.

One-Click to Fix Wifi Authentication Error by Android System Repair

Android system repair is considered the most effective way to fix Wifi Authentication Error. As the bottom-layer Android system files may be corrupted unconsciously with days of phone use, the Wifi Authentication Error may be one of the symptoms.

So Android repair requires programming knowledge to do it?

No! With Dr.Fone - System Repair (Android), you can do Android repair in just a few steps and get all issues like Wifi Authentication error fixed easily.

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• One-click to fix the Wifi authentication error. No technical skills required.
• Supports all the new Vivo Y02T devices like Galaxy S8, S9, etc.
• Easy-to-follow instructions provided on each of the screens.

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Here are the steps to fix Wifi Authentication Error by Android system repair:

Note: Android repair is effective to permanently fix Wifi Authentication Error, but may wipe out the existing phone data. Backup all the important Android data to PC before you go on.

1. After the Dr.Fone tool is downloaded, install, and launch it. You can see the following screen.

1. Connect your Vivo Y02T to the computer, and select “Android Repair” in the middle.

1. Select all the details that match your device, and click “Next”.

1. Next up, you should boot your Vivo Y02T in download mode by following the on-screen instructions.

1. Allow the program to download the corresponding firmware. After that, the Android repair will start and get the Wifi Authentication Error fixed in minutes.

Use static IP address instead of DHCP

DHCP, or Dynamic Host Configuration Protocol is the default IP address assignment for the Wi-Fi settings on many devices. Whereas DHCP can cause IP address conflict during the dynamic IP address assignment. So, you’d better change “DHCP” to “Static” to see if the authentication error persists.

Step 1: Head to the “Settings” of your Vivo Y02T and then opt for “Wireless and Networks” followed by “WLAN/WiFi”.

Step 2: Now, hit on the WiFi network that is showing “authentication error occurred”.

Step 3: Depending on your Vivo Y02T model, look for “IP Settings” and tap on it. Now, switch the “DHCP” to “Static”.

Step 4: Note down the static IP address fields and wipe off all the fields. Punch it in again and then save it.

Check carefully for duplicate Wi-Fi names before you connect

Perhaps, you might connect to a WiFi with a similar name. There are good chances that some users do not modify their WiFi network name and possibly, your neighbor may have the same WiFi network, service provider. Therefore, ensure you connect to the correct WiFi network.

Reset the Wifi network

One of the easiest ways to fix the authentication problem of Wifi is to reset the network. To do this, you would be required to forget the respective network first and then connect to it again. This can be done by simply following these steps.

1. Firstly, you need to forget a Wifi network. To do it, go to your phone’s Settings > WiFi and network. From here, you can see a list of all the Wifi hotspots that your phone connects to. Select the network you wish to forget.

2. When you would select a network, it will provide the basic information related to it. Just tap on the “Forget” button and agree to the pop-up message. This will erase the network’s information from your device.

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3. Afterward, turn on your Wifi again and tap to the network you wish to connect to. Simply provide the credentials and tap on the “Connect” button to reestablish the connection. This way, you can reset the network successfully.

Modify network connection

If the above solution won’t work, then you would be required to walk the extra mile to fix the Vivo Y02T Wifi problem. After you reset a network connection, if still getting issues regarding the authentication of the network, you need to modify the connection. In this technique, you will be changing the IP settings on your phone to alter the way it establishes a secure connection. You can do it by following these steps.

1. To start with, visit your phone’s Settings and open the Wifi page.

2. This will display a list of all the Wifi networks that are associated with your device. Just long-tap on the Wifi network that you wish to modify. It will open another pop-up window. From here, tap on the option of “Manage network settings”. Sometimes, users also get an option of “Modify network settings” here as well. Simply select it to proceed.

3. It will display basic information related to your Wifi network. Just tap on the “Show advanced options” button to access more options related to the network setting.

4. From the IP Settings menu, change the field from DHCP to Static. This will let you establish a static connection between your device and the router.

5. As soon as you will change it to static, you will get different fields related to your network’s IP address, gateway, DNS, and more. Simply fill these fields and tap on the “Save” button once you are done.

Now, try to connect to the Wifi hotspot again. You would be able to overcome the authentication problem of Wifi.

Change Network Security Type

It has been observed that, when we connect to Wifi, our device chooses a wrong security type. This clashes with the default security protocol of the router and authentication error occurred due to this. If your device is facing the same issue, then it can be fixed by simply changing its security type. To do this, follow these instructions:

1. To change the security type of a network, you need to “Add the network”. If you already have the Wifi network saved, then simply forget the network by following the above-mentioned tutorial.

2. Now, turn on your device’s Wifi and tap on the option of “Add network”. Here, you would be asked to give a network name and select the security type. To manually select it, tap on the “Security” option.

3. From here, you will get a list of various security protocols that you can pick. Select “WPA/WPA2-PSK” and save your selection.

Now, try to connect to the network again. Most likely, it will let you fix the authentication error on your device.

Update Android firmware to the latest

There are instances where an outdated OS version of your Vivo Y02T may create a hindrance in establishing a connection between your device and the WiFi network. You need to update your Android firmware to the latest version and then check if the problem persists or not.

Step 1: Launch “Settings” of your Vivo Y02T and then get into the “About Phone” option.

Step 2: Now, opt for the “System Update” option. If the update is available, get your device updated to the latest OS version.

Restart the router and reset Android network settings

Sometimes, the WiFi router may hang up while establishing a connection and therefore, the wifi authentication problem occurs. Try restarting your Wi-Fi router and then check if your device connects successfully. If this doesn’t work, try to reset your Android Network Settings .

Bonus tip: Turn Airplane mode on/off

By simply turning on the Airplane mode (and later turning it off), you can easily fix the authentication problem Wifi most of the time. You can find a toggle button for Airplane mode on the notification bar of your phone. If you can’t find it there, then go to your phone’s Settings > Connection > More Networks and turn on the feature of “Airplane Mode”.

Let it do for a while. Afterward, turn it off and try to connect to the Wifi network again.

After following these quick and easy suggestions, you would be able to fix the Vivo Y02T Wifi problem for sure. Even if you use any other Android device, then its authentication error can easily be resolved after these effective solutions. Go ahead and give these expert solutions a try and let us know about your experience as well. If you have any other solution to fix the authentication problem Wifi, then share it with us as well in the comments.

9 Quick Fixes to Unfortunately TouchWiz has stopped Of Vivo Y02T

“Unfortunately TouchWiz home has stopped” is the talk of the town due to annoying TouchWiz UI, a front-end user interface developed by Vivo Y02T. Not to mention, the Vivo Y02T has borne a whole lot of heat from its agitated users over the years and the reason is pretty much obvious due to the pre-installed bloatware apps and the theme launch “TouchWiz home”. That not just brutally annoys users and eats up a heck of internal storage space but lags up too often due to low speed and stability. As a result users end up with “Unfortunately TouchWiz home has stopped” and “Unfortunately, TouchWiz has stopped”. Apparently, there are several flaws in the design and functioning of this launcher and hence, Touchwiz keeps stopping or becomes unresponsive.

## Part 1: Common scenarios when TouchWiz keeps stopping

Here in this section, we will introduce some scenarios that can be blamed for why TouchWiz is not working. Check out the following points:

• More often than not, the TouchWiz keeps stopping after an Android update. When we update our Vivo Y02T device, the old data and cache usually conflicts with TouchWIz thereby cropping up this mess.
• When you disable some built-in apps, you might get in trouble with TouchWiz. Doing this sometimes can hamper the TouchWiz operation and raise the “**unfortunately TouchWiz home has stopped**” error message.
• Many times installing some third-party apps and widgets can cause this problem. The apps like launchers can be conflicting with TouchWiz home launcher and therefore cease it to work. Also, a glitched widget is responsible for the same i.e. forces stop the TouchWiz.

Part 2: 9 Fixes to “Unfortunately TouchWiz has stopped”

Fix “TouchWiz keeps stopping” by repairing Android system

When your TouchWiz keeps stopping and you aren’t able to proceed further, the best way to handle the situation is to repair the Android system. And the best that can help you to serve the purpose is Dr.Fone - System Repair (Android). It has the ability to fix any sort of Android system issue without any complications. To fix this issue, the tool only takes few minutes of yours and performs smoothly. Moreover, you don’t have to worry if you aren’t tech pro. This tool requires no special technical know-how. Here are the advantages you get with this tool.

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• A very easy tool that fixes problems in just one click
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• Able to fix wide variety of Android issues including app crashing, black/white screen of death
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Step 1: Download the Program

The one-click repairing process begins with downloading Dr.Fone from its official website. When it is downloaded, follow the installation steps. Upon successful installation, launch the tool on your PC.

Step 2: Connect your Vivo Y02T Device

After you open the software, hit on the “System Repair” button from the main interface. With the help of a genuine USB cable, get your Vivo Y02T phone and connect it with the computer.

Step 3: Choose the Tab

Now, from the next screen, you are supposed to choose “Android Repair” tab. It is given on the left panel.

Step 4: Enter Right Information

Please keep your mobile details handy as you will need them in the next window. You will need to enter the correct brand, model, and country name etc. for better detection of your device.

Step 5: Confirm Actions

This process may result in removing your data hence we strongly recommend you to keep a backup of your data.

Tip: You can use Dr.Fone – Phone Backup (Android) to backup your Vivo Y02T device in case you’re wondering how.

Step 6: Take your Device in Download mode

You will get some instructions on your screen to keep your device in Download mode. Follow them according to the Vivo Y02T device you own and hit “Next”. When you do this, the program will detect your device and let you download the latest firmware.

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Step 7: Repair Device

Now, when the firmware is downloaded, the program will itself begin to repair your device. Wait and keep the Vivo Y02T device connected until you get the notification for process completion.

Clear the cache data the TouchWiz

Maximum Android devices are designed to deleted cache data upon getting updated to the newest Android system. However, Vivo Y02T stands as an exception in such case. And therefore, many times TouchWiz starts stopping right after upgrading. Thus, due to the collection of cache data, TouchWiz can display error. This calls for removing the cache from TouchWiz and run things smoothly. Here is how to do this:

• Tap on “Apps” from the Home screen firstly.
• Launch “Settings” afterwards
• Look for “Applications” and tap on it followed by “Application Manager”.
• When Application Manager gets opened, swipe towards right to get into the “All” screen.
• Now, choose “TouchWiz” and tap “Clear Cache”.
• Now, tap “Clear Data” followed by “OK”.
• Now restart your device.

Please note that this will delete all your Home screens post this method.

Disable Motion & gesture settings

The functions regarding Motions and Gestures can be responsible for why TouchWiz home has stopped in your device. Usually the Vivo Y02T devices running on Android version less than Marshmallow are prone to encountering this issue. Or the Vivo Y02T devices having modest specs often fall prey to the issue. When you disable these settings, you might get out of the problem.

Change the Animation Scale

When you use TouchWiz, it may consume higher memory usage for high amount of graphic maintenance. As a result, the “**unfortunately TouchWiz home has stopped**” error might crop up. Taking this into consideration, you should try reconfiguring the animation scale and get rid of the error. Here’s how:

Clear Cache Partition

In case the above steps didn’t figure out the problem, here is the next tip. This method can be counted as one of the most effective one. Because it is able to fix minor issues in Android devices, we recommend you for “**TouchWiz home has stopped**” issue too. Let us know how you can do it:

• Turn off your Vivo Y02T device.
• Start pressing and holding “Volume Up” and “Power” buttons simultaneously.
• Keep doing this until you see the Android screen. This will take your device into recovery mode.
• You will observe some options on the screen. Take help of Volume buttons, scroll down to choose “Wipe Cache Partition”. Press Power button to confirm and the Vivo Y02T device will be rebooted.

Check now if the error is eliminated. If unfortunately not, please try the following solution.

Enable the easy mode

For some users, enabling Easy Mode has been of great assistance. This feature aims to make the user experience more efficient by simply eliminating complex features. The Easy Mode removes those features that confuse the users by messing up the screen. Hence, we suggest you to switch to this mode in order to remove “**TouchWiz not working**” problem. The steps are:

• Open “Settings” and go to “Personalization”.
• Hit on “Easy Mode” now.

Hope the TouchWiz won’t keep stopping error does not pop up anymore!

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Boot your phone to safe mode

Here is the next solution to be followed when TouchWiz keeps stopping. As we already said, third-party apps can cause this issue, booting your device in the Safe mode will disable those apps temporarily. Hence you need to boot your Vivo Y02T device to Safe mode and check if the reason is any third-party app.

• Switch off your device to initiate.
• Press “Power” button and keep doing this until device’s logo appears on the screen.
• When you see logo appearing, instantly release the button and start holding “Volume Down” button.
• Keep holding until rebooting finishes.
• You will now witness “Safe mode” on the bottom screen. You can now release the button.

Reset Factory settings

If the above method went futile and you’re still at the same place, then factory reset is the next logical step to be taken. We suggest this method because it will take your device to its factory state. As a result, TouchWiz will probably get normal and work perfectly.

Along with this, we would also suggest you go take backup of your data so that you won’t lose any of the personal information from your device after performing factory reset. For your convenience, we have stated the backup steps too in the following guide. Have a look:

• Run “Settings’ in your device and go to “Backup & Reset”.
• Notice if “Back up my data” is enabled or not. If not, turn it on and create backup.
• Now, scroll for “Factory Data reset” option and confirm it by clicking “Reset Phone”.

• Wait a few minutes and your device will reboot.

Install a new launcher to replace TouchWiz

We believe that you will find the above methods helpful. However, if still in case your TouchWiz is not working, we advice you that you should install a new theme launcher in your device. It will be a wise option to ditch TouchWiz in such scenario rather than tolerating the problem. Hope this advice will help you.

Home Button Not Working on Vivo Y02T? Here Are Real Fixes

There is no doubt that it is quite frustrating when your device buttons, such as home and back don’t work properly. The reasons can be software as well as hardware issues. If you are wondering whether there is any solution to fix this problem, then you’ve come to the right place. Firstly, yes some methods can probably help you to come out of this issue. Here, in this guide, we have covered various solutions you can try to resolve the “home button not working Android” problem no matter whether it is due to software or hardware reason.

Part 1: 4 Common Measures to Fix Home Button Not Working Android

Here, we are going to mention four common methods that you can try to resolve the home button problem on your Vivo Y02T with ease.

1.1 One click to fix Android Home Button Not Working

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When it comes to the home button not working Vivo Y02T problem, the most common reason is the unknown system issues. In such a scenario, the best solution is using Dr.Fone - System Repair (Android) software to repair your Android system to normal in one click. This tool is powerful enough to resolve various Android issues within a few minutes.

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• The tool can help you to fix the Android operating system in a wide range of scenarios.
• It is compatible with all Vivo Y02T devices.
• There is no need for technical skills to use the software.
• The software comes with a high success rate for fixing the Android system.
• It provides easy steps to resolve Android issues.

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To learn how to fix home button not working problem, download and install the Dr.Fone - System Repair (Android) software on your computer, follow the below step-by-step guide:

Step 1: To begin with the process, launch the software on your computer and select the “System Repair” option from the software main window.

Step 2: Thereafter, connect your Vivo Y02T to the computer using a USB cable and select the “Android Repair” tab from the left menu.

Step 3: Next, you will navigate to a device information page where you have to provide your device information.

Step 4: After that, the software will download the appropriate firmware to repair your Android system.

Step 5: After downloading the firmware, the software will start the repair process. Wait for a few seconds, the problem should get fixed and your phone will get back to its normal state.

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1.2 Force Restart your Android

Whenever you encounter with Android virtual soft keys, not working problem, the first thing you should try is to force restart your phone . If the problem is due to a software issue, then it can be probably fixed by simply force restarting your Android.

Here are simple steps on how to force restart on Android:

Step 1: To begin with, press and hold the power button and either volume up or down button at the same time until your device screen goes off.

Step 2: Next, press the power button for a few moments to force restart your device.

1.3 Restore Factory Settings

If force restarting won’t help you to fix the problem you are facing, it’s time to reset your Vivo Y02T to factory settings. The factory reset on an Android device will erase all of your phone settings, third-party apps, user data, and other app data to restore your device to its original manufacturer condition or settings. It means that this can bring back your device to its normal state.

To learn how to restore factory settings, follow the below steps:

Step 1: Go to your ‘Settings” and then, go to “System”>” Advanced”>” Reset options”.

Step 2: Next, tap on “Erase all data”>” Reset phone” to factory reset on your phone. Here, you may need to enter the password or pin or pattern.

Once you are done with the above steps, restart your phone and restore your data and this might be fixed the problem for you. If not, then try the next solution.

1.4 Update Android Firmware

It might be the case that your Android firmware is not updated and that’s why you are experiencing the home button not working Android problem. Sometimes, not updating your Android firmware can cause various issues and problems while using your device. So, you should update it, and here are steps on how to do it:

Step 1: Open the Settings and then, go to “About device”. Next, click “System updates”.

Step 2: After that, click “Check for updates” and if updates are available, then download and install it to update your Android version.

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Part 2: What if the Home Button fails due to hardware reasons?

When your Android home and back button not working because of hardware reasons, you can’t get the problem resolved by simply rebooting your device. In such cases, you have to use alternative apps to replace the home button.

2.1 Simple Control app

The Simple Control app is the first and foremost solution to fix the Android home button not working issue. With the help of this app, you can fix many soft keys of your device. It is specially designed for Android users facing trouble using home, volume, back, and camera buttons. Plus, the app utilizes Accessibility service, but it doesn’t get access to your sensitive and personal information.

Pros:

• It can easily replace broken and failed buttons.
• The app is quite easy to use.

Cons:

• It is not as much efficient as other similar apps available out there.

URL: https://play.google.com/store/apps/details?id=ace.jun.simplecontrol&hl=en_US

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2.2 Button Savior app

Button Savior app is one of the ultimate apps that can help you to fix the Android home button not working problem with ease. For this app, root and no root versions are available on the Google Play store. To fix the Home button not working issue, no root version is the right one. But, if you want to fix the Back button or other buttons, then you need to go for the root version.

Pros:

• It comes with a root as well as no root version.
• The app is powerful enough to fix a wide range of buttons.
• It shows information regarding the date and time and battery.

Cons:

• The root version of the app can cause data loss.

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2.3 Navigation Bar (Back, Home, Recent Button) app

Navigation Bar app is another great solution to fix the home button not responding problem. It can replace broken and failed button for users who are facing difficulty using navigation bar panel or buttons not working properly. The app offers numerous features, and it is easy to use.

Pros:

• It offers many colors to make an incredible navigation bar.
• The app provides 15 themes for customization.
• It comes with the ability to change the size of the navigation bar.

Cons:

• Sometimes, the navigation bar stopped working.
• It comes with ads.

URL: https://play.google.com/store/apps/details?id=nu.nav.bar

2.4 Home Button app

Home button app is another remarkable solution to replace broken and failed home buttons for users having trouble while using buttons. With this app, it is quite easy to press or even long press on the home button as assistive touch.

Pros:

• You can change the button of color using the app.
• With the help of it, you can set a vibrate setting on touch.
• It provides support for many press actions, such as home, back, power menu, etc.

Cons:

• It doesn’t come with a lot of features, unlike other apps.
• Sometimes, it shuts down automatically.

URL: https://play.google.com/store/apps/details?id=nu.home.button

2.5 Multi-action Home Button app

Is your Android physical home button is broken or dead? If yes, then the Multi-action Home Button app can help you to fix it with ease. With the help of it, you can create a button in centre-bottom of your device screen, and you can also add numerous actions to that button.

Pros:

• It provides various actions with the button.
• It is very simple and easy to use.

Cons:

• The app’s very useful feature comes with its pro version.

URL: https://play.google.com/store/apps/details?id=com.home.button.bottom

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Conclusion

Hopefully, the methods covered in this post helps you to fix Android home and back button not working problem for you. If it is a system issue, then the best thing you can do is to take advantage of Dr.Fone - System Repair (Android) software. It can surely help you to fix your Android system to normal within a few minutes.