How to Fix Android App Not Installed Error on OnePlus 12 Quickly? | Dr.fone
How to Fix Android App Not Installed Error on OnePlus 12 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 OnePlus 12? 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 OnePlus 12 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 OnePlus 12 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 OnePlus 12 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 OnePlus 12 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:
- Install Dr.Fone on your Windows. After that, launch it, and click “System Repair”. Connect your Android to the computer.
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- Select the “Android” option and click “Start”.
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- Select device information, such as brand, name, model, country, etc., from each field, and type “Next”.
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- 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.
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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 OnePlus 12 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!
Take advantage of PREMIUM features.#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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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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Quick Fixes for Why Is My OnePlus 12 Black and White
Why is My OnePlus 12 in black and white? This sudden shift in display colors can be perplexing and impact user experience. This issue affects various devices, including OnePlus 12 and other Android models. The abrupt shift to monochrome can impact your daily use. It can make apps and content appear dull.
If you’re asking why is my Android phone in black and white, then you’re in luck. Dive into the article below to unravel the causes behind your phone’s black-and-white display. Discover insights on addressing this unexpected issue, enhancing your overall mobile experience.
Part 1. Phone Screen in Black and White? Easy Fixes for Android Devices
Discovering your OnePlus 12 going monochrome can be annoying. The section below answers the question: why did my OnePlus 12 phone go black and white? It involves a combination of software adjustments and careful troubleshooting. Follow the practical solutions below to restore vibrant colors to your device.
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Accessibility Settings
Accidental activation of accessibility settings may turn your display monochromatic. The “Grayscale“ or “Color Inversion“ option in the Accessibility or Vision section of your phone’s settings might be enabled. It can cause a black-and-white display. Here’s the solution:
- Step 1: Open your phone’s settings. Navigate to the Accessibility or Vision section.
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- Step 2: Disable the Grayscale or Color Inversion option.
App Conflicts
Certain third-party apps can cause conflicts, leading to a black-and-white display . Newly installed apps might be the culprit, affecting your device’s color settings. Some apps also have grayscale modes that can impact the overall display. Here’s how to fix it:
- Step 1: Identify and uninstall recently installed apps.
- Step 2: Check individual app settings for grayscale modes.
System Glitches
System glitches or software bugs can trigger display issues. It can result in a black-and-white screen. Outdated software versions may contain bugs affecting color output as well. Regularly checking for software updates can prevent or resolve such glitches. Here’s how.
- Step 1: Go to your phone’s settings. Check for software updates in the Software update or System update section.
- Step 2: Update your device if there is a software update available. Ensure your device is running the latest software version.
Battery Saving Modes
Battery-saving modes can also alter display settings to conserve energy. It can sometimes result in a black-and-white screen. These modes limit power consumption by reducing color output. Reviewing and adjusting these settings can restore the normal color display. Follow the steps below.
- Step 1: Open your OnePlus 12’s Settings. Navigate to the Battery or Battery & Performance section.
- Step 2: Check and adjust battery-saving settings, including toggling power-saving modes on or off.
Hardware Issues
In rare cases, hardware issues may cause a black-and-white display. Physical damage, loose connectors, or problems with the display hardware can impact color reproduction. Identifying and addressing these hardware issues may be crucial for resolving the problem. Here’s what you should do.
- Step 1: Check for physical damage, loose connectors, or display hardware issues.
- Step 2: Seek professional assistance or contact the OnePlus 12 device manufacturer if hardware problems are suspected.
Consider a reliable third-party tool if your phone persists in black and white despite troubleshooting attempts. Tools such as Dr.Fone System Repair Android offer advanced solutions for complex system issues. They ensure your phone regains its vibrant display without a hitch.
Part 2. Using a Dedicated Tool: Dr.Fone for Fixing Black and White Display Problems
Dr.Fone is a reliable solution for addressing black-and-white display issues on Android devices. For a stress-free repair experience, follow these simple steps using Dr.Fone - System Repair (Android).
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- Step 1: Download and install Dr.Fone. Launch the program and click on System Repair on the main window. Connect your OnePlus 12 to the computer using the correct cable. Choose Android among the options.
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- Step 2: Provide accurate device information, including brand, name, model, country/region, and carrier details. Confirm the warning and click Next.
- Step 3: Follow the on-screen instructions and wait for the program to download the firmware. Once downloaded and verified, Dr.Fone automatically initiates the repair process on your OnePlus 12.
- Step 4: After a while, your OnePlus 12 will have all system issues fixed. Click Done to complete the process or choose Try again if the problem persists, allowing you to repeat the steps.
Note
It’s highly recommended to back up your Android data before using Dr.Fone for repair.
How Dr.Fone Can Help You Beyond Display Issues
Beyond resolving black-and-white display problems, Dr.Fone serves as a comprehensive tool for all Android issues. The platform can enhance your device functionality.
Key Features
Here are key features that make Dr.Fone an invaluable resource:
- Fix All Kinds of Android Problems
Dr.Fone is designed to address a wide range of Android issues. These include black screens, malfunctioning Play Store, app crashes, boot loops , and bricked Android devices . Its versatility makes it a go-to solution for diverse system challenges.
- Wide Device Compatibility
With support for over 1000 Android models, Dr.Fone ensures compatibility with a vast array of devices. The platform is versatile and a widely applicable tool for Android users.
- High Success Rate
Dr.Fone boasts a high success rate in resolving Android issues. It provides users with confidence in its effectiveness and reliability.
Additional Functionalities
Below are additional functionalities of Dr.Fone that support your device to keep it in top shape.
- **Phone Manager.**Fone acts as a comprehensive phone manager. It allows you to transfer contacts, SMS, photos, videos, and more between your OnePlus 12 and computer. The feature simplifies data management and ensures seamless organization.
- Phone Backup. The tool enables selective backup of Android data on a computer. It provides you with the flexibility to safeguard essential information. The selective backup feature ensures efficient use of storage and allows for easy restoration when needed.
- **Screen Unlock Without Losing Data.**Fone offers a secure way to unlock the screen of Android devices without losing data. You can regain access to your devices without compromising valuable data, whether due to forgotten passwords, pattern locks, or PINs.
Part 3. Tips for Maintaining Your Phone Display Brilliance
Maintaining a vibrant phone display enhances user experience and ensures optimal visual clarity. Follow these tips to keep your phone’s display at its best:
Adjust Brightness Mindfully
Optimize brightness settings based on ambient lighting. Avoid excessively high brightness levels, which can strain your eyes and impact battery life.
- Update Regularly
Keep your phone’s software up-to-date to benefit from performance enhancements, bug fixes, and display optimizations provided by system updates.
- Be Mindful of Background Apps
Close unused background apps to free up system resources and prevent unnecessary strain on your phone’s display and overall performance.
- Use Static Wallpapers
Dynamic wallpapers and live backgrounds consume more power. Opt for static wallpapers to reduce battery drain and maintain consistent display performance.
- Avoid Extreme Temperatures
Exposure to extreme hot and cold temperatures can affect your phone’s display and overall performance. Store your device in a moderate environment.
- Implement Screen Timeout
Set a screen timeout to turn off the display when not in use automatically. This conserves battery life and prevents unnecessary wear on the screen.
- Clean Your Screen Regularly
Fingerprints, dust, and smudges can affect display clarity. Clean your screen regularly with a microfiber cloth to ensure a crisp and vibrant view.
- Secure Your Phone
Implement security measures to prevent unauthorized access. This protects your data and ensures the display remains secure and untouched.
- Enable Night Mode
Many phones offer a night mode that reduces blue light emission. It promotes better sleep and reduces eye strain, especially during nighttime use.
- Implement App-Specific Settings
Some apps have specific display settings. Explore and adjust these settings within individual apps to enhance your visual experience and reduce strain.
Conclusion
The guide highlights the “Why is My OnePlus 12 black and white“ query. It offers practical solutions for Android and OnePlus 12 users. By addressing common issues such as accessibility settings, app conflicts, and system glitches, you can restore their vibrant displays. Maintaining your phone display involves mindful practices, from adjusting brightness to regular updates.
The guide provided solutions for display issues and showcased the versatility of Dr.Fone System Repair Android. It’s a holistic solution for users seeking a seamless and reliable Android experience, addressing diverse concerns with precision and efficiency.
How to Exit Android Factory Mode On OnePlus 12?
You’ve often heard that recovery mode will solve just about any problem your OnePlus 12 is experiencing. This is mostly true and one of the components of Android’s recovery mode, factory mode or factory reset is one of the most efficient ways to solve various problems on your device. While factory mode is often a good thing, there are times when your device can enter factory mode on its own. Other times, you can safely enter factory mode but not know how to get out.
Fortunately for you, this article will explain all aspects of factory mode and especially how to safely exit factory mode.
Part 1. What is Android Factory Mode?
Factory mode or what is commonly known as factory reset is one of the options available for you when your OnePlus 12 is in recovery mode. Several options are available for you once you enter Recovery mode on your device but few are as effective as the wipe data/ factory reset option. This option is useful in solving a whole host of problems that your device could be experiencing.
If you have been using your OnePlus 12 for a while now and its performance to be less than ideal, a factory reset might be a good solution. That is however not the only problem a factory reset or factory mode can solve. It will also work for a number or Android errors that you may experience, problems caused by faulty firmware updates and also tweaks made on your device that may not have worked as expected.
It is however important to note that a factory reset or factory mode does often result in the loss of all your data. Therefore a backup is necessary to protect against this data loss risk.
Part 2. Backup your Android Device First
Before we can see how to safely enter and exit factory mode, it is important to have a full backup of your device. We mentioned that a factory mode will likely erase all the data on your device. A backup will ensure that you can get your phone back to its original state before the factory mode.
In order to do a full and complete backup of your device you need to have a tool that will not only ensure that you backup everything on your device but one that makes it easy for you to accomplish this. One of the best tools in the market is Dr.Fone - Backup & Resotre (Android) . This software is designed to enable you to create a full backup of your device.
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Follow these very simple steps to use this MobileTrans Phone Transfer software to create a full backup of your device.
Step 1. Launch Dr.Fone on your computer and choose “Backup & Restore”
Run the software on your computer and you can see all features displayed in the primary window. Choose this one: Backup & Restore. It allows you to get your device backed up entirely with one click.
Step 2. Plug in with your device
Then plug in with your device to the computer. When your devic is detected, click on Backup.
Step 3. Select the file types to backup
The program will display all the file types it can support to backup. Just select the ones you would like to backup and hit Backup.
Step 4. Start backing up your device to the computer
After choosing the file’s type for backup, click “Backup” to begin backing up your device to your computer. It will take you a few minutes, depending on the storage of the data.
Note: You can use the feature of “Restore From Backup” to restore the backup file to your device, when you have the need later.
Part 3: One Click Solution to fix Android stuck in factory mode
From the above parts, you are well aware about what is factory mode. As we discussed, this mode fixes most troubles with Android devices.
But for situations when your OnePlus 12 gets stuck in this very same factory mode, the most feasible solution for you is Dr.Fone - System Repair (Android) . This tool fixes all Android system issues including unresponsive or bricked device, stuck on OnePlus 12 logo or factory mode or blue screen of death with a single click.
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- The one-click solution’s ease of operation is appreciable.
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- You don’t need to be a pro in technology to use this program.
- It is compatible with all latest OnePlus 12 devices like Galaxy S9.
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In this part we will explain how to exit Android recovery mode using Dr.Fone - System Repair (Android) . Prior to proceeding, you got to remember that device backup is paramount to keep your data safe. This process might erase your OnePlus 12 data.
Phase 1: Ready your device and connect it
Step 1: Installation completion needs to be followed by running Dr.Fone on your system. Over the program window, tap ‘Repair’ afterwards and get the Android device connected.
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Step 2: Select the ‘Android Repair’ option from the list to fix Android stuck in factory modeissue. Hit the ‘Start’ button soon after.
Step 3: Select Android device details on the OnePlus 12 device information window, followed by tapping the ‘Next’ button.
Step 4: Enter ‘000000’ for confirmation then proceed.
Phase 2: Get in ‘Download’ mode for repairing the Android device
Step 1: It’s important to put the Android device in ‘Download’ mode, here are the steps to do so –
- On a ‘Home’ button-less device – turn off the OnePlus 12 device and push down the ‘Volume Down’, ‘Power’ and ‘Bixby’ buttons for about 10 seconds and un-hold. Now, hit the ‘Volume Up’ button to get into ‘Download’ mode.
- For a device with ‘Home’ button – switch it off and hold down the ‘Power’, ‘Volume Down’ and ‘Home’ buttons together for 10 seconds and release. Click the ‘Volume Up’ button for entering ‘Download’ mode.
Step 2: Press ‘Next’ for initiating firmware downloading.
Step 3: Dr.Fone –Repair (Android) starts Android repair as soon as download and verification of firmware is done. All Android issues along with Android stuck in factory mode will be fixed now.
Part 4. Common Solutions to Exit Factory Mode on Android
Having a backup of all your data will eliminate the risk of losing any of your data. You can now safely exit factory mode using one of the 2 methods below. These two methods will work on a rooted device.
Method 1: Using “ES File Explorer”
To use this method, you will need to have installed file explorer on your device.
Step 1: Open “ES File Explorer” and then press the icon on the top left corner
Step 2: Next, go to “Tools” and then turn on “Root Explorer”
Step 3: Go to Local> Device> efs> Factory App and then open factorymode as text in the “ES Note Editor” Turn it ON
Step 4: Open keystr as text in the “ES Note Editor” and change it to ON. Save it.
Step 5: Reboot the OnePlus 12 device
Method 2: Using Terminal Emulator
Step 1: Install Terminal emulator
Step 2: Type “su”
Step 3: Then Type the following;
rm /efs/FactoryApp/keystr
rm /efs / FactoryApp/ Factorymode
Echo –n ON >> / efs/ FactoryApp/ keystr
Echo –n ON >> / efs/ FactoryApp/ factorymode
chown 1000.1000/ efs/FactoryApp/keystr
chown 1000.1000/ efs/FactoryApp/ factorymode
chmod 0744 / efs/FactoryApp/keystr
chmod 0744 / efs/ FactoryApp/ factorymode
reboot
You can also exit factory mode on unrooted device by going to Settings> Application manager> All and the search for Factory Test and “Clear Data”, “Clear Cache”
As much as factory mode can be a useful solution to a number of problems, it can be quite annoying when it pops up unexpectedly. Now you are equipped with 2 effective solutions to help you safely exit factory mode if ever you find yourself in this situation.
- Title: How to Fix Android App Not Installed Error on OnePlus 12 Quickly? | Dr.fone
- Author: Nova
- Created at : 2024-07-19 22:43:18
- Updated at : 2024-07-20 22:43:18
- Link: https://change-location.techidaily.com/how-to-fix-android-app-not-installed-error-on-oneplus-12-quickly-drfone-by-drfone-fix-android-problems-fix-android-problems/
- License: This work is licensed under CC BY-NC-SA 4.0.