How to Fix Android App Not Installed Error on Vivo Y02T Quickly?

App not installed on Android is no more an unknown Error Code during Application installation as many people experience it on a day-to-day basis. An “Application not installed” error message usually pops up when you are trying to download and install an App with a .apk file extension from somewhere other than the Google Play Store. The error is very confusing at first but makes sense when you realize that this unknown Error Code during Application installation is neither a software issue nor a hardware problem. It is a direct outcome of what you do with your device. Yes, you heard that right. Your faulty actions can cause Android App not installed error.

What to do when trying to install the Android APK it says “app not installed”? It is terrible that you can’t install App on your device. But in this article, you will know more about the causes behind this error and the best ways to fix it, read on, here is all you need to know.

Part 1: Common reasons for the “Android App not installed” error

You may ask: Why can’t I download apps on my Vivo Y02T? Understanding the underlying causes of the “Android App Not Installed” error is crucial for resolving the issue effectively. So, what are the reasons for Android App not installed error? Given below are a few reasons:

1. Insufficient storage

Android software and if data such as photos, videos, music, messages, apps, contacts, emails, etc are stored in the internal memory there is not adequate storage left for another App, leading to Android App not installed error.

2. Corrupted/Contaminated App file

When you do not download Apps from the Play Store and choose another platform to do so, App files are usually corrupted and hence cannot be installed on your device smoothly. You should be doubly sure of the source from where you download an App, check its extension name, and make an effort not to install contained files.

3. SD Card not mounted in the Vivo Y02T device

At times your phone could be connected to your PC or another electronic device that can access the SD Card from your device. In such situations when you install an App and choose to save it to your SD Card, you will see Android App not installed error because the App cannot find the SD card as it is not mounted in your device.

4. Storage location

You must be aware that certain Apps work their best when stored in the Vivo Y02T device’s internal memory, whereas others need to be located on an SD Card. If you do not save the App in an appropriate location, you will find that the App isn’t installed because of an unknown Error Code.

5. Corrupt storage

Corrupted storage, especially a corrupted SD Card, is known to cause the Android App isn’t installed error. Even the internal storage can get clogged due to unnecessary and unwanted data, some of which might contain an element that disturbs the storage location. Take this issue seriously as a corrupted SD Card and even clogged up internal memory can put your device in danger.

6. Application Permission

Software operations running in the background and App Permission are not new concepts. Such errors can also cause the Unknown Error Code during App installation.

7. Incorrect file

If you already have an App installed but download another variant of it having a distinct signed or unsigned certificate can also make the Android App not installed error pop-up. This sounds technical, but this and all the other reasons listed above can be tackled by you.

The Unknown Error Code during Application installation can occur due to any one or more of the reasons stated above. So read them carefully and understand them well to avoid such glitches in the future.

Part 2: One-click to fix App not installed on Android error

So App not installed on your Vivo Y02T or tablet? The most horrible part is that this issue may come out of the corruption in the system files. In this situation, Android apps won’t be installed no matter what measures you take. Android system repair is the only effective solution to deal with this issue.

Android system repair used to require high technical skills. But most of the users know little about technical things. Well, worry not! Dr.Fone - System Repair (Android) allows you to repair Android easily, that is, complete the fix with just one click.

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A powerful tool to fix the “Android App not installed” error in one click

• Fix all Android system issues like Android App not being installed, the system UI not working, etc.
• One-click to fix Android App not installed. No technical skills are required.
• Support all the new Vivo Y02T devices, etc.
• On-screen instructions are provided to prevent any misoperation.

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Note: Getting your Android system repaired may erase the existing device data. It is recommended that you should back up your Android data before starting the Android repair.

The following steps illustrate how to fix the “Android App not installed” error in one click:

1. Install Dr.Fone on your Windows. After that, launch it, and click “System Repair”. Connect your Android to the computer.

2. Select the “Android” option and click “Start”.

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3. Select device information, such as brand, name, model, country, etc., from each field, and type “Next”.

4. Follow the on-screen instructions to boot your Android in download mode, and allow the tool to download the firmware to your device.

5. After the firmware is downloaded, the tool will start to repair your Android, hereby fixing the “Android App not installed” error.

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Part 3: How to fix App not installed error on Android

We understand that it can be a tricky situation to be in when Android App not installed error pops up, but what if we tell you can get rid of it in easy and simple steps? Yes, there is!

#1. Delete unnecessary files/Apps

Insufficient storage can prevent the app from being installed. Make some storage space on your device by cleaning unwanted data and deleting extra media and other files. You can also get rid of heavy Apps by:

Visiting “Settings” on your device. Then select “Manage apps”, “Application Manager” or “Apps” (varies based on device model or version) from the list of options before you.

Now select the App you wish to uninstall and wait for the App Info screen to open, then click on “Uninstall” as shown in the screenshot.

You can also uninstall the unnecessary application on the home screen, just long-press the app you want to uninstall until you see the “uninstall” icon. Click “Uninstall”, then, you need to click “OK” to confirm the uninstall process.

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#2. Use only Google Play Store

As you are all aware, the Play Store is specially designed for Android software and contains only trusted and safe Apps. It is often known as the “Android Market” because it is loaded with different types of Apps to stiffly all your needs so that you don’t have to rely on other third-party sources to purchase/install Apps.

#3. Mount your SD Card

Another remedy for Android App not installed error is to make sure that the SD card inserted in your device is not inaccessible.

To check the same:

First, disconnect your Vivo Y02T from your PC and then visit “Settings” on your Android and select “Storage” from the options that appear. Finally, click on “Mount SD Card” at the Storage Info screen.

You can now restart your device and try to install the app now, it should work!

#4. Choose App location wisely

It is advisable to not tamper with the App’s location and let the software decide where it needs to be placed. As far as possible, let the Apps be in your device’s internal memory.

#5. Format SD Card

The chances of your SD Card being corrupted are very high. You can format it either while it is in your device or externally.

Now to Clean up your SD Card, simply visit “Settings” and select “Storage” and tap on “Format SD Card” and mount it once again to use it smoothly.

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#6. App Permissions

You can reset App permissions to combat the Android App not installed error by Visiting “Settings” and then selecting “Apps”. Now access the Apps menu and hit “Reset App Preferences” or “Reset application permissions”. This will allow third-party apps to get installed on your device.

#7. Choose the correct App file

Make sure to always download an App file only from a trusted and safe source to avoid any errors during installation.

Click here

### #8. Reboot your device

Finally, if nothing else works, restart your device to end all operations which could be causing the said error. To reboot, just press the power button till you see a pop-up. Select “Restart” and wait for your device to reboot.

Conclusion

Encountering the “App Not Installed” error on Android can be frustrating, but by understanding the causes and implementing the appropriate solutions, you can overcome this issue. We saw that Android App not installed error can be fixed quickly if you keep in mind the tips given in this article. However, please ensure that you follow each instruction carefully to avoid any further goof up.

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11 Proven Solutions to Fix Google Play Store Not Working Issue on Vivo Y02T

Google Play Store is a necessary and bundled service of any Android device. This app is required to download or even run any apps. So, getting an error like Play store not working or Play Store crashing is very unfortunate and a matter of a headache. Here we tried to put the best solution to overcome this issue. Keep reading this article for all the 11 best solutions.

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Part 1. The recommended method to fix Google Play Store issues

If you search on the internet, you may find various tricks dealing with Google Play Store not working issue. However, either to try each of them or choose several to follow would certainly cost a lot of time. What’s more, we are not sure whether they will really work. Therefore, we would recommend you with a more effective and fast way, that is to use Dr.Fone - System Repair (Android) , a dedicated Android repair tool to fix Google Play Store, not working issues just in one click.

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• Fix all Android system issues like the black screen of death, won’t turn on, system UI not working, etc.
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• Supports all the new Vivo Y02T devices like Galaxy S8, S9, etc.
• Step-by-step instructions provided. No technicals skills required.

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Brief steps to guide you through the process of fixing Google Play Store not working (followed by video tutorial):

1. Get this tool downloaded on your computer. Install and launch it, and you can find the following welcome screen displayed.

1. Select the option “System Repair”. In the new interface, click on the “Android Repair” tab.

1. Start fixing Google Play Store not working by clicking “Start”. Select and confirm the correct model details as instructed.

1. Activate the Download mode from your Vivo Y02T.

1. After entering the Download mode, the Dr.Fone tool starts to download the correct firmware to your Android.

1. The downloaded firmware will be loaded and flashed to your Vivo Y02T to fix the Google Play Store not working issue.

1. Wait until the Android repair process is complete. Start your Android and Google Play Store, you can then find that the Google Play Store not working issue no longer exists.

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Video tutorial to fix Google Play Store not working

Part 2: Other 10 common methods to fix Google Play Store issues

1. Fix Date and Time settings

Sometimes Google creates a problem connecting with the Play Store or Play store crashing due to the wrong date and time. The first and most common thing is you have to check if the date and time are updated or not. If not, update it first by following the below step by step guide.

Step 1 – First, go to the “Settings” of your device. Find ‘Date and time’ and tap on it.

Step 2 – Now you can see several options. Select “Automatic date and time”. This should override the wrong date and time your device have. Else, deselect the tick beside that option and select the date and time manually.

Step 3 – Now, go to the Play store and try to connect again. This should be working without any problem now.

2. Cleaning of Cache data of Play Store

This may happen that sometimes Google Play Store stopped working due to excessive unnecessary data stored in the cache of the Vivo Y02T device. So, clearing unnecessary data is very important to keep the application run smoothly. To do this, you need to follow the below steps.

Step 1 – Firstly, go to “Settings” on your device.

Step 2 – Now, navigate to the “Apps” option available at the settings menu.

Step 3 – Here you can find the “Google Play Store” app listed. Open it by tapping.

Step 4 – Now, you can find a screen like below. Tap on “Clear cache” to remove all the cache from the application.

Now, again try to open Google Play Store and you may successfully overcome the Play Store not working issue. If not, check the next solution.

3. Reset Play store by Clear data

If the above solution is not working for you, you might try this option instead. This step will erase all the app data, settings, etc so that it can be set up a fresh one. This will also fix the Google Play store not working issue. For this solution, use the following method step by step.

Step 1 – Like the previous method, head towards the settings and then find “Apps”

Step 2 – Now find “Google Play Store” and open it.

Step 3 – Now, instead of tapping “Clear cache”, tap on “Clear data”. This will erase all the data and settings from the Google Play store.

After this, open “Google Play Store” and now your problem might be solved now.

4. Reconnecting the Google account

Sometimes it may happen that removing and reconnecting your Google account may solve the Play Store not working issue. To do this, you need to follow the instructions below.

Step 1 – Go to the “Settings” and then find “Accounts”.

Step 2 – Upon opening the option, select “Google”. Now you can see your Gmail ID listed there. Tap on it.

Step 3 – Now click on the top right side three dots or “more” option. Here you can find the “Remove account” option. Select it to remove the Google Account from your Mobile.

Now, go back and try to open Google Play Store again. This should work now and enter your Google ID and password again to continue. If it’s still not working, move to the next solution.

5. Reinstall the latest version of Google Play Store

Google Play store can’t be uninstalled completed completely from your Vivo Y02T. But disabling and reinstalling its latest version can resolve the Play Store crashing issue. For doing this, just follow the below guide.

Step 1 – First of all, go to “Settings” and then move on to “Security”. Then find “Device administration” here.

Step 2 – Upon clicking on this option, you can find “Android device manager”. Uncheck this and disable.

Step 3 – Now you can be able to uninstall Google play service by going into application manager.

Step 4 – After that, try to open any app that requires Google Play store to open, and that will automatically guide you to install the Google Play service. Now install the updated version of the Google Play service.

After installing, your problem might be solved by now. If not, try the next solution.

6. Clear Google Service Framework Cache

Besides the Google Play store, this is important to keep healthy the Google Service Framework as well. The cache and unnecessary data should be removed from there also. Follow the steps below.

Step 1 – Go to settings and then tap on “Application Manager”

Step 2 – Here you can find “Google Service Framework”. Open it.

Step 3 – Now, tap on “Clear cache”. And you are done.

Now go back and try to open Google Play store again. This might solve the Google Play Store has stopped the problem by now. If not, check the next solution.

7. Disable the VPN

The VPN is a service to get all the media outside your geographic location. This is also used to install a country-specific app in another country. But sometimes it can create a problem with Play Store crashing.  So, this is recommended to try disabling the VPN.

Step 1 – Go to the settings of your device.

Step 2 – Under the “networks”, click on “More”.

Step 3 – Here you can find “VPN”.  Tap on it and turn it off.

Now, again go back and try to open the Google Play Store. This may solve your problem now. If not, check the next solution.

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8. Force stop Google Play Service

Google Play Store needs to be restart just like your PC. This is a really helpful and common trick to overcome the Play Store crashing issue on your Vivo Y02T. To do this, follow the below steps.

Step 1- Go to settings and then go to the “Application Manager”.

Step 2 – Now find “Google Play Store” and click on it.

Step 3 – Here click on “Force Stop”. This allows the Google Play Store to stop.

Now, try to open Google Play store again and this time the service is being restarted and might work properly. If not, try the next solution.

9. Try a Soft Reset of your device

This easy to use solution will remove all the unnecessary temporary files of your device, close all recent apps, and make it clean. This is just rebooting your device. It won’t delete any data from your device.

Step 1 – Long press the “Power” button on your device.

Step 2 – Now, click on ‘Reboot’ or ‘Restart’ option. Your device will restart in some time.

After restarting, try to open the Google Play Store again and this time you should succeed. If any case, it’s not opening, try the last (but not the least) method by hard reset your Android.

10. Hard reset your device

If you have done with all of the above solutions and still Play Store crashing, and you are aggressive to get it, then only try this method. Using this method will delete all the data of your device. So take a backup of the whole. Follow the step by step instruction below.

Step 1 – Go to setting and find “backup and reset” there.

Step 2 – Click on it. And then Click on the “Factory data reset” option.

Step 3 – Now confirm your action and tap on the “Reset device”.

This will take a while to reset your device completely. After completion, start the Google Play Store and set up as a new device.

The above methods are the best 11 among all the solutions you can get for your Play Store not working on wifi or Play Store crashing error. Try one by one and you might get rid of this problem.

Fix Can’t Take Screenshot Due to Security Policy on Vivo Y02T

“Can’t take screenshots due to security policy” is a screenshot restriction on your Android smartphone. You’ve probably seen this error message before, especially when taking screenshots of banking or video streaming apps. But why do apps and websites block screenshots? It’s actually for your good.

Screenshots can be misused to steal money or pirate copyrighted content. By prohibiting screenshots, apps and websites can help to protect your data and privacy. If you want to learn more, keep reading. This article will explain why apps and websites prevent screenshot capture and why it’s important for security. We’ll also give you tips on how to take photos of apps and websites that don’t let you take screenshots.

Part 1. Can’t Take Screenshots Due to Security Policy on Android? Here’s Why

Why can’t you take a screenshot of something on your phone and get the error message that says, “Can’t take screenshot due to security policy”? Apps and websites turn off or remove the screenshot feature for a variety of reasons, including:

Device Restrictions

Lots of workplaces and schools have rules against taking screenshots on devices used for work or school. Organizations do this to protect sensitive information and prevent data breaches.

Protect Sensitive Information

Say you’re trying to take a screenshot on your Vivo Y02T device, and you get the notification “Can’t take screenshot due to security policy.” Vivo Y02T smartphones are not necessarily the problem.

Some apps and websites, such as banking apps, store private data like financial and credit card details. Blocking capturing screenshots is a way to prevent unauthorized access to confidential information.

Follow Regulations

Some industries and organizations have regulations that need them to protect sensitive data. Financial institutions must protect their customers’ financial information, for example. Disabling screenshots is one way to follow these regulations.

DRM-Protected Content

Android can’t take screenshots due to security policy, especially to prevent piracy. Piracy is the distribution of copyrighted material without permission. It can harm businesses that depend on copyright protection.

To prevent this, you can use DRM (digital rights management) to protect copyrighted content. DRM-protected content cannot be screenshotted or copied.

Prevent Fraud

Scammers and other criminals often use screenshots to commit fraud. For instance, people might send fake screenshots to trick others into sharing personal details or money. Disabling screenshots can help to prevent this type of fraud.

Protect Intellectual Property

Many businesses and organizations have valuable information they want to keep safe, such as trade secrets. Disabling screenshots can be helpful to prevent the theft of this intellectual property.

Protect User Privacy

Some apps and websites allow users to share private information. Some apps, like messaging apps, let users share private info. But there are limits.

You can’t take screenshots due to security policy Whatsapp features, View Once media option. This method stops people from taking pictures of private media chats, protecting users’ privacy.

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Part 2. 8 Ways To Take Screenshots When You Can’t Due to Security Policy

If you’re trying to take a screenshot of an app or website with a security policy in place, there’s usually no way to circumvent it. However, there are a few things you can do to take pictures of these apps and website content.

Enable Screen Capture on Android

Sudden “can’t take screenshot due to security policy” notifications, failing to take a screenshot, and a Vivo Y02T user?

If you are using this Android device, you can enable the screen capture feature in the Settings app.

• Step 1: Go to Settings > Apps, then tap the More options icon in the upper right corner.

• Step 2: Choose Special access > All files access.

• Step 3: Enable Vivo Y02T capture.

Once you have enabled screen capture, you can check if you can take screenshots of any app or website.

Enable Screenshots in Incognito Mode

Apps and websites may prohibit screenshots in incognito mode to protect your privacy. However, you can enable the Incognito Screenshot experimental flag in Chrome to bypass this restriction.

• Step 1: Open Chrome on your Vivo Y02T and type “chrome://flags” in the address bar.

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• Step 2: Search for Incognito Screenshot and choose Enabled from the drop-down menu.

• Step 3: Tap Relaunch on the lower right corner of the screen.

Once Chrome has relaunched, you should be able to take screenshots in incognito mode by pressing the power and volume-down buttons at the same time.

Use Google Assistant

With Google Assistant, taking screenshots on your Vivo Y02T is now easier than ever. Just say, “Hey, Google, take a screenshot,” Google Assistant will capture the screen and save it to your gallery.

Use a Third-Party App To Take Screenshots

You can download several applications on Google Play Store if you still can’t take a screenshot due to security policy. Some popular third-party screenshot apps include:

• Screenshot Easy
• Screenshot Tile
• Screen Master: Screenshot Markup

Third-party screenshot apps often use different methods to capture the screen. These might bypass the security measures that prevent you from taking screenshots with the built-in screenshot function.

Capture Your Phone Display With Another Device

If you own another smartphone, you can use it to take a photo of the screen of the Vivo Y02T device you’re trying to take a screenshot of. This is a simple workaround for any security policies that may be in place. To do this, open the camera app on your other smartphone and point it at the screen of the first device.

Check the Banking App Settings for Screenshot Permissions

Some banking apps may turn off screenshots by default, but some may allow them in the settings. To check this, open the banking app and select the settings menu. Look for a setting that allows taking in-app photos. If you find it, enable it to allow screenshots to be taken in the app.

Screen Mirroring

Smart View allows you to display your Vivo Y02T device’s screen on your smart TV, where you can then take a screenshot of the TV to capture the app or website you need.

• Step 1: Swipe down the top of the screen to access the Quick Settings panel.
• Step 2: Tap the Smart View icon.
• Step 3: Select your TV from the list of available devices and tap Start Now.

Alternatively, if you don’t have a smart TV, you can still mirror your phone screen display to your desktop or tablet using the Vivo Y02T Flow app and take a screenshot of your phone’s screen instead.

Use Disable Flag Secure Magisk Module

Still experiencing the error message, “Can’t take screenshot due to security policy?” Bypass Android phone error like this using a module.

The module patches the Android framework to remove the FLAG_SECURE flag from apps. It is a relatively simple process but requires root access and Magisk. This module will turn off the security flag to take screenshots in Incognito mode and other apps.

Authors Verdict

There are a few ways to bypass screenshot restrictions on Android apps and websites, but some methods are more complicated than others. All methods should work, but if you think your device has been compromised, it is important to check if it is a system issue.

You can use a third-party tool like Wondershare Dr.Fone without rooting your device. It is easy to use and supports many Android smartphones. You can try Dr.Fone for free to test if it supports your device and can fix the underlying system issues.

Part 3. Dr.Fone: A Comprehensive Solution for Fixing Android System Issues

Dr.Fone’s System Repair tool for Android cannot bypass the security apps of banking apps and video streaming apps like Netflix. This is because these apps use sophisticated security measures to protect their users’ data.

However, Dr.Fone System Repair tool for Android can fix a wide range of other Android system issues that might happen from installing third-party apps on your smartphone, such as:

• Black screen
• Apps keep crashing
• Bricked Android devices

Follow this step-by-step guide and learn how to use Dr.Fone to scan your Android smartphone for system issues and repair them.

• Step 1: Once you have downloaded Dr.Fone, install it and launch it on your desktop. Then, connect your Vivo Y02T to your desktop using a USB cable.

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• Step 2: From the Toolbox homepage, select System Repair > Android.

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• Step 3: Click Start on the new window.

• Step 4: Select an option from the Name, Model, Country, and Carrier in the drop-down lists. Next, select the checkbox to agree with the warning, then click Next in the bottom right corner.

• Step 5: Follow the in-app instructions to put your Vivo Y02T on Download mode, then click Next.

• Step 6: Wait while the firmware automatically downloads.

• Step 7: Review the details on the screen and click Fix Now to install the firmware on your smartphone.

• Step 8: Read the dialogue box note, enter the code in the input box, and click Confirm.

• Step 9: Keep your smartphone connected and avoid using it while Dr.Fone is repairing it.

• Step 10: If your device has started properly, click Done to close this app. Otherwise, click Try again.

Conclusion

You can fix the “Can’t take screenshot due to security policy” error on Android in different ways. But it depends on the cause of the error. If an app is causing the error, you can try two things. First, remove the app’s screenshot restriction. Second, download a different screenshot app or a different device to take screenshots.

Although there are ways to bypass the “Can’t take screenshot due to security policy” error message, it’s crucial to know why screenshots are not allowed. Many apps and websites do not permit it to protect sensitive information, prevent piracy, and follow regulations. They also do it to prevent fraud, protect user privacy, and safeguard intellectual property.

If you think the issue is with your Android system, or your device becomes bricked after trying other methods, experiencing app crashes, or otherwise malfunctioning, try using the Dr.Fone System Repair tool. It is worth trying and can fix most Android system issues in a few minutes.