How to Fix Android App Not Installed Error on Oppo A18 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 Oppo A18? 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 Oppo A18 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 Oppo A18 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 Oppo A18 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.

Dr.Fone - System Repair (Android)

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 Oppo A18 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”.

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.

#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 Oppo A18 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.

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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How to Resolve Oppo A18 Screen Not Working

Nothing is more frustrating than your phone’s touch screen becoming unresponsive. Given the importance of smartphones in daily work, a phone with a touch screen not working can badly affect your routine. It is an issue found in most smartphone brands, even among Oppo A18 phones, known for their efficient performance. If your Oppo A18 screen is not working, it can be an exhausting experience.

Luckily for your, multiple ways are available to resolve this issue. This article will list six fixes for resolving the Oppo A18 not working issue. It will also discuss the reasons behind this issue in detail and provide a list of tips to avoid it in the future.

Part 1: What Causes Oppo A18 Screen Unresponsive?

Answering what causes Oppo A18 screen unresponsiveness is difficult. Many reasons, ranging from minor bugs to serious hardware issues, can cause it. To find out the exact or near exact reason, you will have to review your device’s activity before this issue occurs. You can use the following common reasons behind the Oppo A18 6T touch screen not working as the basis of your investigation:

1. Touchscreen Calibration

Excessive smartphone use can cause the touchscreen to go out of the required settings. It means until the touch screen is not recalibrated properly, the touch not working issues will continue to pop up.

2. Battery Issue

If your device’s battery is damaged or is at the end of its lifespan, it can cause the touch screen not responding issues. Moreover, the low battery and issue with the charging port can also lead to this problem.

3. Corrupted System Files

The presence of corrupted system files is also a significant cause of such issues. These corrupted files can also lead to serious performance issues on your phone.

4. Conflicting Settings

It is also possible that the conflicting settings in your device are causing this issue. These settings can range from touch sensitivity to screen refresh rate. Unless these conflicts are removed, the touchscreen performance will continue to degrade.

Part 2: The Common Solutions to Solve a Oppo A18 Screen Unresponsive

Fixing the Oppo A18screen not working is easy as long as it is not a serious hardware issue. While there are multiple ways to solve this problem, we have chosen the 6 most common and easy solutions. Listed below are the 6 common solutions to solve a Oppo A18 screen unresponsive:

Solution 1. Restart the Oppo A18 Phone

As with any other issue or device, the first fix you should always try first is to restart your device. It is the best solution to fix the Oppo A18 not working issue if temporary bugs and glitches are the reason behind it. When you restart your device, it flushes out all temporary bugs and glitches while resetting your device’s processes. Use this guide to restart your Oppo A18 device:

Instruction: Press and hold the “Power” button for a couple of seconds until it turns off. Wait a few moments and then use the “Power” button to turn on the Oppo A18 device. In some of the Oppo A18 devices, you also have to use the “Volume Down” button along with the “Power” button to restart the Oppo A18 device.

Solution 2. Check the Charging Port and Battery

The issues with the battery of your Oppo A18 5 can also lead to Oppo A18 not working. It can be due to your device’s low or near-empty battery. While in some cases, serious issues with the battery can also be behind this problem. Similarly, the reason behind your phone’s touch not working can be charging port issues.

Thus, you should check and clean your device’s charging port and see if it resolves the problem. Moreover, turn off your device, charge it, and then restart it to check if the touch screen not working issue is gone.

Solution 3. Contact the Oppo A18 Customer Support

Contacting Oppo A18 customer support can also help resolve the Oppo A18 screen not working problem. It is especially helpful if you are unable to find the cause and want to seek an expert opinion. The Oppo A18 customer support will help you find the issue and recommend a solution.

It is an excellent option if your Oppo A18 device’s touch is not working due to hardware issues. They can help guide you to a suitable service center to fix your phone and resolve this issue.

Solution 4. Wipe the Cache of Your Oppo A18 Device

A common reason for Oppo A18 Nord being stuck on the loading screen is the filled cache partition. If you do not clean out the cache partition of your Oppo A18 device, its performance will degrade. As a result, your device will experience issues like the touch screen not working or getting stuck at the loading screen. Here is how you can clear the cache of your Oppo A18 device:

Step 1: Turn off your device by pressing and holding the “Power” button. Once it is turned off, press and hold the “Power” and “Volume Down” buttons until you see the Oppo A18 logo.

Step 2: Now, enter your phone’s PIN or pattern and choose a language. After selecting the language, choose “Wipe data and cache.”

Step 3: Select “Wipe cache” on the next screen and confirm the action through “Yes” in the ensuing window. Once the process is complete, choose “Reboot” to restart your device.

Solution 5. Reset to Factory Settings

Sometimes, clearing the cache partition doesn’t help resolve the touchscreen issue. In that case, You have to factory reset your Oppo A18 device. It is the best and last solution if other fixes haven’t worked and you can’t pinpoint the reason. Factory resetting your Oppo A18 will delete all phone data. Thus, you should create a proper backup before trying this fix. Follow these steps to factory reset your Oppo A18 in no time:

Step 1: Launch Settings on your Oppo A18 device and tap “System” to select “Reset Options.”

Step 2: In the “Reset Options,” select “Erase all data (factory reset)” and confirm the action by again pressing “Erase All Data.” It will start the factory reset process.

Solution 6. Replace the Old Screen with A New Screen

If none of the above-mentioned fixes have worked so far, you should replace the touch screen. Replacing the touch screen is recommended in case of hardware and severe software issues. However, it can be quite an expensive fix as new touch screens aren’t cheap. The prices for new touchscreens differ depending on the model. These prices start from $20 and go up to hundreds of dollars.

Part 3: How to Avoid Oppo A18 Screen being Unresponsive?

Protecting your Oppo A18 device against system issues like touch not working is not difficult. While it is true that you can’t 100% avoid such problems, the risks can still be reduced to a great extent. To prevent your Oppo A18 screen from being unresponsive, here are some tips you can follow:

• ****Regular Updates:****You should always ensure that your Oppo A18 device runs on the latest software version available. It can help prevent bugs or glitches that might cause the screen to become unresponsive.
• ****Device Protection:****It is also essential that you use a good quality phone case and screen protector. These will protect your Oppo A18 device from physical damage. Drops, bumps, or scratches can damage the screen and make it unresponsive.
• ****Delete Unnecessary Apps:****If you have too many apps on your Oppo A18 devices, it can cause screen unresponsiveness issues. Thus, you should only install the apps you need and delete the apps that are no longer needed.
• ****Use Dr.Fone 13:****Having a professional tool like Fone in your arsenal helps a lot in protecting against system issues. If a system issue is able to pass through, Dr.Fone has the ability to resolve the issue in a matter of seconds. Moreover, it is a complete smartphone tool with data transfer, location changer, and system repair features.

A new version of Dr.Fone is expected to release in the latter half of this month. The new version will include many improvements, advanced features, and increased device support. Furthermore, it will also have a better and more user-friendly interface.

Conclusion

To sum up this article, it can be said that issues like Oppo A18 not working are part of life. These issues can occur anytime and are hard to completely protect against. Thus, having a problem solver like Wondershare Dr.Fone is the best choice. It will not only help you safeguard against system issues but also resolve them if they occur.

Strategies for Apps That Won’t Download From Play Store On Oppo A18

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 Oppo A18 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 Oppo A18 device’s versatility.

Incorrect Date and Time Settings

Inaccurate date and time settings on the Oppo A18 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 Oppo A18 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 Oppo A18 by choosing Fix Now.

• 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 Oppo A18 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 Oppo A18 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 Oppo A18 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 Oppo A18 device settings and adjust them accordingly to allow for the installation of desired apps.

Restart the Oppo A18 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.

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.