How to Fix Android App Not Installed Error on Nokia C12 Plus 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.

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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 Nokia C12 Plus? 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 Nokia C12 Plus 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 Nokia C12 Plus 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 Nokia C12 Plus 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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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:

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

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

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

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

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 Nokia C12 Plus 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.

#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.

#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.

Click here

![restart device](https://images.wondershare.com/drfone/article/2017/07/14994442937664.jpg "restart device")

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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Strategies for Apps That Won’t Download From Play Store On Nokia C12 Plus

The frustration of apps not downloading in the Google Play Store can annoy users. A seamless download experience is crucial for user satisfaction and app success. When you encounter such issues, they disrupt the interaction expected from your device.

The inconvenience can impact user trust and the overall perception of an app’s reliability. Addressing these challenges is crucial to maintaining a satisfied user experience and ensuring the success of apps on the platform. Explore the article below to learn what to do when apps not downloading from the Play Store issue appears.

Part I. 7 Usual Reasons Behind Apps Not Downloading in Google Play Store

The reasons below collectively contribute to the frustration users experience when apps are unable to download from the Play Store:

Connectivity Issues

Slow or unstable internet connections can interfere with the download process. It often leads to failed or delayed app installations. You will experience frustration when faced with connectivity issues, impacting your ability to access desired apps.

Insufficient Storage

Limited available storage on the Nokia C12 Plus device prevents the installation of new apps. Users may find it challenging to manage their storage effectively. It can hinder the expansion of your app library and impact the overall device functionality.

Outdated Play Store Version

Running an outdated version of the Play Store can cause compatibility issues with the newest versions of apps. You’ll miss out on new features and improvements, affecting the overall user experience and the efficiency of the Play Store.

Google Account Authentication Problems

Issues with verifying Google accounts can restrict access to the Play Store. It prevents you from downloading or updating apps. Authentication problems pose a significant barrier, impacting your ability to stay current with app versions.

App Download Restrictions

Device settings or parental controls may impose restrictions on certain app downloads. You may encounter limitations in accessing specific apps. It can affect the Nokia C12 Plus device’s versatility.

Incorrect Date and Time Settings

Inaccurate date and time settings on the Nokia C12 Plus device can disrupt the Play Store’s functionality. You’ll face obstacles in downloading apps due to authentication errors or syncing issues. It can have a negative impact on the overall user experience.

Play Store Bugs and Glitches

Technical issues within the Play Store, such as bugs or glitches, can lead to failed downloads. You may encounter unexpected errors, causing uncertainty and potential distrust in the reliability of the app platform.

If you encounter any of these issues, having a reliable tool to fix them is essential. Wondershare Dr.Fone - System Repair offers a solution if you cannot download from the Play Store. The platform ensures you can download apps again with a high success rate in minutes.

Part II. Having a Third-Party Tool Is Essential To Safeguard Your Apps

Dr.Fone - System Repair is a dependable alternative offering a comprehensive solution to various Android-related problems. Its key features set it apart, making it an essential asset for users facing app download challenges.

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Key Features

The summarized points show why Dr.Fone is a flexible and powerful tool for Android users with various phone models.

Supports up to 1000+ Android Models

Dr.Fone System Repair boasts compatibility with a vast range of Android models. It provides a universal solution for users regardless of their device. The extensive support ensures that users with diverse Android devices can rely on the tool for effective issue resolution.

Fixes All Kinds of Android Problems in Minutes

The tool is designed to address a wide array of Android problems. Whether it’s connectivity issues, authentication problems, or glitches within the Play Store, Dr.Fone - System Repair solves these issues within minutes. Its efficiency in tackling diverse problems makes it a valuable asset for users seeking a quick and reliable solution.

High Success Rate Without Data Loss

One of the standout features of Dr.Fone - System Repair is its high success rate in problem resolution without causing data loss. You can have confidence that your apps and important data remain intact throughout the repair process. It ensures a smooth solution and maintains the integrity of the user’s device and data.

When grappling with persistent issues hindering app downloads on the Google Play Store, having a reliable third-party tool becomes essential to safeguard your apps and ensure a seamless user experience. The next section will show you how to use the platform to fix the apps not downloading in the Google Play Store problem.

Part III. First Choice: Use Dr.Fone - System Repair for App Downloading Issues

Using Dr.Fone - System Repair to resolve app downloading issues is straightforward. Here are three simple steps to effectively address app-related challenges:

**Note:**It is highly recommended that you back up your Android data before using Dr.Fone for Android repair.

Step 1: Download and install Dr.Fone - System Repair on your computer. Launch the program and select System Repair from the available options.

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Step 2: Connect your Nokia C12 Plus to the computer using a USB cable. Dr.Fone will detect your device, and you’ll be prompted to choose your device’s type. Select Android Repair.

Step 3: Follow the on-screen instructions until the app downloads the correct firmware for your device. As it downloads, Dr.Fone will verify it and put your device details on display. You can install the firmware on your Nokia C12 Plus by choosing Fix Now.

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Step 4: Initiating the system repair process will be accompanied by a progress bar visible on the screen. Upon completion, a prompt window will emerge, presenting a completion message.
If you can download apps successfully, click Doneto close the tool.
If the problem persists, select TryAgain to rerun the process.

If you can’t download Dr.Fone for some reason, you can try these common fixes to try to resolve your app download issues on your device

Part IV. 8 Other Methods of Resolving Common App Downloading Issues

Here are 8 other methods to troubleshoot and resolve common app downloading problems:

Check Internet Connection

A stable internet connection is essential for downloading apps. Do an Internet signal check to ensure you are connected to a reliable Wi-Fi network or have a strong mobile data signal. If the connection is weak, consider switching to a more robust network.

Free Up Storage Space

Insufficient storage on your device can hinder app installations. Navigate to the Nokia C12 Plus device settings, access the Storage section, and clear unnecessary files or apps. Creating more space ensures a smoother download experience.

Update the Play Store

An outdated Play Store version may lead to compatibility issues. Open the Google Play Store, go to Settings, and tap the Play Store version. If an update is available, install it to ensure compatibility with the latest apps.

Clear Play Store Cache and Data

Cached data in the Play Store can sometimes cause download problems. Head to the Nokia C12 Plus device settings and open Apps or Application Manager. Locate Google Play Store, and tap Storage. Clear both the cache and data to refresh the app.

Verify Google Account

Authentication issues with your Google account can prevent app downloads. Confirm that your Google account is properly verified. Go to the Nokia C12 Plus device settings, select Accounts, and ensure your Google account is active and synced.

Check Date and Time Settings

Incorrect date and time settings may disrupt the authentication process. Verify that your device’s date and time are set correctly. Enable automatic date and time settings to ensure accuracy.

Review Download Restrictions

Device settings or parental controls might impose restrictions on certain app downloads. Examine the download restrictions in the Nokia C12 Plus device settings and adjust them accordingly to allow for the installation of desired apps.

Restart the Nokia C12 Plus device

Sometimes, a simple restart can resolve various issues. Power off your device, wait a few seconds and then power it back on. This can help refresh system processes and eliminate temporary glitches.

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Conclusion

Ensuring a smooth app download experience demands attention to various factors. From connectivity to storage management, each step contributes to resolving download challenges. The careful review of date/time settings and download restrictions further enhances the process when you cannot download from the Play Store.

For persistent issues, consider Dr.Fone - System Repair. The app is a viable option, providing a comprehensive approach. Embracing these measures ensures you can easily fix apps that won’t download from the Play Store. Having a reliable tool beside you also fosters an uninterrupted and enjoyable downloading journey from the Play Store.

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9 Quick Fixes to Unfortunately TouchWiz has stopped Of Nokia C12 Plus

“Unfortunately TouchWiz home has stopped” is the talk of the town due to annoying TouchWiz UI, a front-end user interface developed by Nokia C12 Plus. Not to mention, the Nokia C12 Plus 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 Nokia C12 Plus 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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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 Nokia C12 Plus 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 Nokia C12 Plus 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 Nokia C12 Plus 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 Nokia C12 Plus device you own and hit “Next”. When you do this, the program will detect your device and let you download the latest firmware.

Step 7: Repair Device

Now, when the firmware is downloaded, the program will itself begin to repair your device. Wait and keep the Nokia C12 Plus 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, Nokia C12 Plus 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 Nokia C12 Plus devices running on Android version less than Marshmallow are prone to encountering this issue. Or the Nokia C12 Plus 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 Nokia C12 Plus 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 Nokia C12 Plus 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!

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 Nokia C12 Plus 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.

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How to Fix Android App Not Installed Error on Nokia C12 Plus Quickly? | Dr.fone