How to Fix Android App Not Installed Error on OnePlus Ace 2 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 Ace 2? 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 Ace 2 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 Ace 2 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 Ace 2 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 OnePlus Ace 2 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 OnePlus Ace 2 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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Guide: How To Unbrick a Bricked OnePlus Ace 2 Phone

OnePlus Ace 2 phones are super popular thanks to their excellent features and affordable prices. But being so popular means people try to customize them with custom software. If you’re not careful, you might have a “bricked” OnePlus Ace 2 phone. It won’t work at all. It will be more like a brick than a smartphone.

Don’t worry, though. This guide is here to help. It will show you how to unbrick your phone step by step. You’ll learn to bring your phone back to life and make it work again. So, get started on fixing your bricked OnePlus Ace 2 phone by reading this article.

Part 1. Common Reasons Why OnePlus Ace 2 Phones Get Bricked

A bricked phone might sound like a techy term, but it’s pretty simple – when your OnePlus Ace 2 phone turns into a lifeless block that won’t do anything. In this section, you’ll learn all about why this happens, so you can avoid these issues and keep your phone alive as long as possible.

• Trying to flash incompatible ROMs. Sometimes, people want their OnePlus Ace 2 phones to run different software like a custom version of Android called a ROM. But if you use the correct ROM for your specific phone, it can mess things up nicely. Also, inexperience with ROM flashing can hard brickyour OnePlus Ace 2 Be sure to follow guides and ask for community help online.
• Rooting mishaps/failures.“Rooting” means giving your phone superpowers, but if you mess up, it can go wrong. Your phone might not boot up, leaving you with a brick. Like the previous bullet, follow guides carefully, especially if inexperienced.
• Failed Firmware Updates. When your phone asks you to update its software, following the instructions carefully is essential. If you interrupt the process or something goes wrong, your phone could be bricked.

Now, you must know about soft and hard-bricking to learn how to diagnose your phone. Soft bricking is like a phone’s bad day – it might not start up. However, with the right help, you can fix it. Hard bricking is worse. It’s when your phone is a paperweight – it won’t turn on, respond, or do anything useful.

Part 2. Method 1: Use the OnePlus Ace 2 Flash Tool To Recover Bricked OnePlus Ace 2 Phones

Say you’ve accidentally bricked your OnePlus Ace 2 phone due to rooting or ROM flashing. You might feel scared, but imagine having a magic wand that can fix your bricked phone. That’s what the OnePlus Ace 2 Flash Tool is –a dedicated OnePlus Ace 2 unbricking tool. It lets you install or flash different software onto your phone, giving it a fresh start. Most of the time, a simple firmware flash will unbrick your OnePlus Ace 2.

The OnePlus Ace 2 Flash Tool is a superhero for various situations. Here are some scenarios where it can save the day:

• **Device Recovery.**If your phone is bricked or acting strange, the Flash Tool can help bring it back to life.
• Firmware Updates. You can use it to install official updates released by OnePlus Ace 2, ensuring your phone runs smoothly.
• **Device Customization.**Want a different look for your phone? The Flash Tool can help you install custom ROMs or themes.
• **Bug Fixes.**Got pesky bugs or glitches? The Flash Tool can replace corrupted software to make your phone behave.
• Performance Enhancement. If your phone feels sluggish, the Flash Tool can boost its speed by flashing a new OS.

How To Use the OnePlus Ace 2 Flash Tool To Unbrick a OnePlus Ace 2 Phone

Now that you know what the OnePlus Ace 2 Flash Tool is all about, it’s time to learn how to use it. If you’ve bricked your OnePlus Ace 2 phone, follow the steps below:

• Step 1. Download the OnePlus Ace 2 Flash Tool and the stock firmware of your device on your computer.
• Step 2. Turn off your phone. Then, press and hold the Volume Down + Power Key simultaneously for 6-8 seconds. This will force your phone to enter the Fastboot mode.

• Step 3. Connect your phone to your computer using a cable when you see this screen flash.

• Step 4. Using the OnePlus Ace 2 Flash Tool, click Select. Then, locate the firmware files you downloaded earlier.

• Step 5. Click the refresh button until the flash tool recognizes your device. Then, click flash to replace the firmware. A text saying “success” should appear under the result column.

Congratulations! Your phone should be up and working after following these steps.

Part 3. Method 2: Wondershare Dr.Fone System Repair – Your One-Stop Shop for Unbricking Your OnePlus Ace 2 Phone

If you gave the OnePlus Ace 2 Flash Tool a shot and your phone is still not cooperating, don’t lose hope. Sometimes, the magic touch needs a slight variation. That’s where Dr.Fone comes into play. This dedicated software can work wonders when fixing various phone problems. It can even help in cases of bricked OnePlus Ace 2 phones involving software or firmware issues.

Dr.Fone - System Repair (Android)

Repair Android System Errors without Any Trouble.

• Fix your Android to normal, no skills required.
• Fix various Android system issues, stuck in boot loop , black screen , or won’t turn on , looping on start, etc.
• The high success rate in resolving Android system issues.
• Compatible with a wide range of Android devices and OS versions
• User-friendly interface with easy-to-follow steps.

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One of Dr.Fone’s most astonishing powers is its “System Repair” feature. This is where the real magic happens. If your OnePlus Ace 2 phone is bricked, it can help repair the underlying software glitches that caused the issue. Moreover, Dr.Fone brings a toolbox of features to the table, making it more than just a one-trick pony. Here are its key features:

• **Data Recovery:**If you’ve lost precious data, Dr.Fone can help recover it, even from a bricked phone.
• **Data Transfer:**You can quickly move data between devices, even if one is unresponsive.
• **System Backup & Restore:**Fone can help you create a backup of your phone’s system and restore it when needed.
• **Unlocking Tools:**If you’re locked out of your phone, Dr.Fone can help you regain access.

How To Use Dr.Fone System Recovery Feature To Unbrick a OnePlus Ace 2 Phone

Now that you know about Dr.Fone, it’s time to understand how to use it. Hopefully, it can save your bricked OnePlus Ace 2 phone from its problems. Follow the steps below:

• Step 1. DownloadDr.Fone from its official website , and launch it on your computer. After entering the Toolbox menu from the left panel, click System Repair. Make sure that your OnePlus Ace 2 phone is connected.
• Step 2. Select Android on the next screen.

• Step 3. Initiate the Android System Repair by clicking Start.

• Step 4. Confirm your device details. You can edit any details that might be wrong.

• Step 5. Put your phone into Download mode. Follow the guidelines for phones with or without home buttons. Your phone will begin downloading the dedicated firmware.

• Step 6. After downloading the firmware, verify and proceed with the installation by clicking Fix Now. Confirm firmware installation by typing “000000” into the text box in the appearing window. Click Confirm afterward.

• Step 7. After the process is finished, your phone should now be okay. Click Done.

Part 4. Best Practices/Tips Before Unbricking Your Phone

Before diving into the unbricking process, you must arm yourself with some tips and precautions to ensure your recovery journey is as smooth as possible. Here’s what you need to know:

• Backing Up Data: An Ounce of Prevention. Remember the golden rule: always back up your data before attempting any phone recovery. Unbricking might save your phone, but being safe is better than sorry.
• **Authentic Tools and Software: Stay on the Safe Side.**Using genuine and trustworthy tools is crucial when unbricking your OnePlus Ace 2 This applies especially to Dr.Fone, which you should only download from the official website. Additionally, when recovering your phone’s software, use authentic OnePlus Ace 2 ROMs (the operating system’s files).
• **Learning from Online Guides and Communities: Seek Guidance.**Navigating the unbricking process might seem daunting, but you’re not alone. There are many online guides, tutorials, and communities where people share their experiences and solutions.

Conclusion

So, there you have it – your guide to fixing a bricked OnePlus Ace 2 phone. Remember, bricking happens when your phone stops working. You won’t be afraid when that happens, as you learned about the OnePlus Ace 2 Flash Tool and Dr.Fone. They are your phone-saving superheroes that can unbrick even a hard-bricked OnePlus Ace 2 phone.

As a parting reminder, always keep a tool ready for emergencies. For this, choose Dr.Fone. It’s a super tool for all your phone problems. Give it a shot and be confident with your phone wherever you go and whatever you do with it.

safe & secure

3,052,835 people have downloaded it

Authentication Error Occurred on OnePlus Ace 2? Here Are 10 Proven Fixes

There are times when users get an authentication error while they connect to a Wifi network. The problem is mostly found in Android whenever a device tries to establish a connection to Wifi. If your device is also experiencing an authentication problem Wifi, then don’t worry. It can easily be resolved. In this post, we will make you familiar with the root cause for the OnePlus Ace 2 Wifi problem and how you can resolve whenever authentication error occurred on your device.

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

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

Authentication error occurs when the “deal” between the Wi-Fi router and device fails due to certain reasons. First, the OnePlus Ace 2 device sends the password of the network and the “connect” request in an encrypted format to the Wi-Fi router. Then, the router decrypts the password and compares the password saved on it. Now, if the password matches, it sends affirmation for the “connect” request, and then the OnePlus Ace 2 device is allowed to connect to the network.

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

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

In this scenario, whenever you try to connect to a Wifi network (even after supplying the correct password and username), it doesn’t connect to it. Instead, it displays an authentication error occurred promptly. Thankfully, there are plenty of ways to overcome the authentication problem Wifi. In the next section, we have provided three different solutions to fix the OnePlus Ace 2 Wifi problem (as it mostly happens on Android devices).

Part 3: 10 Solutions to Fix Wifi Authentication Error

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

Check if extra characters added in Wi-Fi password

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

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

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

So Android repair requires programming knowledge to do it?

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

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An easy-to-operate tool to fix Android system issues like a Wifi authentication error

• Fixes all Android system issues like a black screen of death, Wifi authentication error, etc.
• One-click to fix the Wifi authentication error. No technical skills required.
• Supports all the new OnePlus Ace 2 devices like Galaxy S8, S9, etc.
• Easy-to-follow instructions provided on each of the screens.

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

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

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

1. Connect your OnePlus Ace 2 to the computer, and select “Android Repair” in the middle.

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

1. Next up, you should boot your OnePlus Ace 2 in download mode by following the on-screen instructions.

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

Use static IP address instead of DHCP

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

Step 1: Head to the “Settings” of your OnePlus Ace 2 and then opt for “Wireless and Networks” followed by “WLAN/WiFi”.

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

Step 3: Depending on your OnePlus Ace 2 model, look for “IP Settings” and tap on it. Now, switch the “DHCP” to “Static”.

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

Check carefully for duplicate Wi-Fi names before you connect

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

Reset the Wifi network

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

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

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

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

Modify network connection

If the above solution won’t work, then you would be required to walk the extra mile to fix the OnePlus Ace 2 Wifi problem. After you reset a network connection, if still getting issues regarding the authentication of the network, you need to modify the connection. In this technique, you will be changing the IP settings on your phone to alter the way it establishes a secure connection. You can do it by following these steps.

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

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

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

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

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

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

Change Network Security Type

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

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

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

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

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

Update Android firmware to the latest

There are instances where an outdated OS version of your OnePlus Ace 2 may create a hindrance in establishing a connection between your device and the WiFi network. You need to update your Android firmware to the latest version and then check if the problem persists or not.

Step 1: Launch “Settings” of your OnePlus Ace 2 and then get into the “About Phone” option.

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

Restart the router and reset Android network settings

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

Bonus tip: Turn Airplane mode on/off

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

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

After following these quick and easy suggestions, you would be able to fix the OnePlus Ace 2 Wifi problem for sure. Even if you use any other Android device, then its authentication error can easily be resolved after these effective solutions. Go ahead and give these expert solutions a try and let us know about your experience as well. If you have any other solution to fix the authentication problem Wifi, then share it with us as well in the comments.