How to Fix Android App Not Installed Error on Realme C55 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 Realme C55? 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 Realme C55 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 Realme C55 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 Realme C55 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”.

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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.

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 Realme C55 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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Android Safe Mode - How to Turn off Safe Mode on Realme C55?

Safe mode on Android is very useful to get rid of dangerous apps and malware. This allows the user to perform a uninstall of the crashed or malicious apps by putting safe mode on Android. Now the question is how to remove safe mode? In this article, we have discussed in detail how to get out of safe mode and also discussed some frequently asked questions. Keep reading this article.

Part 1: How to turn off safe mode on Android?

This is very important to turn off the safe mode after you put the safe mode on Android. Your mobile performance is limited in this mode. So you have to turn off safe mode. For doing this, there are some methods. Try to apply them one by one. If you succeed, stop there. Else go to the next method.

Method 1: Restarting the Realme C55 device

This is the easiest method to turn off the safe mode in Android. To use this method, follow the steps below.

Step 1 – Tap and hold the power button of your Realme C55.

Step 2 – You could find the option “Restart”. Tap on it. (If you have only one option, move to the step no 2)

Step 3 – Now, your phone will boot up in some time and you can see the Realme C55 device is no more on safe mode.

This method, if goes well, will turn off safe mode in Android from your device. IF not, move to the next method instead.

Method 2: Do a soft reset:

The soft reset is very easy to perform. It won’t delete any of your personal files etc. Besides, it clears all the temp files and unnecessary data and recent apps so that you get a healthy device. This method is very good for turning off Safe mode on Android.

Step 1 – Tap and hold the power button.

Step 2 – Now, select “Power off” from the given option. This will make your device off.

Step 3 – Wait a few seconds and then turn it on again.

This time you can see your phone is no more in safe mode. Also, your junk files have been also removed. If you still find the Realme C55 device is the safe mode, follow the next method.

Method 3: Break all power

This method is sometimes very helpful to turn off safe mode on android by disconnecting all the power as well as resetting the SIM card.

Step 1 – Take the back cover off from the Realme C55 device and remove the battery. (Not all devices will give you this facility)

Step 2 – Take out the SIM card.

Step 3 – Reinsert the SIM card and insert the battery again.

Step 4 – Turn the Realme C55 device on by tapping and holding the power button.

Now, you can see your device is out of safe mode. If you still find your device in Safe mode, see the next method.

Method 4: Wipe the cache of the Realme C55 device.

The cache of the Realme C55 device sometimes creates an obstacle in overcoming the safe mode on Android. To solve this issue, follow the steps below.

Step 1 – Turn on your device in safe mode. It can generally be done by tapping the home, power, and volume up button on Android device. If this combination is not working for you, search the internet with your device model number.

Step 2 – Now you can find the recovery mode screen. Navigate to the “Wipe cache” option with the volume up and down button and select the option by tapping the power button.

Step 3 – Now follow on-screen instruction and your device will be rebooted.

After successful completion of this method, your device should no longer be in safe mode. If the problem still persists, the only solution is to do a factory reset. This will erase all the data from your device. So take backup of your internal storage.

Method 5: Factory data reset

To factory data reset, you have to follow the below steps.

Step 1 – Enter in the recovery mode by following the steps mentioned earlier.

Step 2 – Now select “Factory data reset” from the given options.

Step 3 – Now, follow the on-screen instructions and your device will be factory reset.

After this method, you can successfully get rid of the safe mode on Android. Restore your data from the backup you created.

Watch the video below to turn off safe mode on your phone:

Part 2: How to put the phone in safe mode?

If some apps or programs create a problem on your device, the solution is safe mode. Safe mode allows you to uninstall the app or the program out of your device safely. So, safe mode on Android is quite useful sometimes. Let’s have a look at how to turn on safe mode in Android.

Before this, remember to take a backup of your Realme C55. We recommend you to use the Dr.Fone - Phone Backup (Android). This tool is the best in its class to provide users with a very easy-to-use user interface yet powerful solution.

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Always remember to use this tool before you enter in the safe mode as you never know what will happen next and you might end up with factory resetting. This, as the result, will erase all your valuable data. So always perform backup data before you proceed.

To enter the safe mode, follow the instructions below.

Step 1 – First of all, long press the power button and let the Power options appear.

Click here

![Power options](https://images.wondershare.com/drfone/article/2017/06/14986727492182.jpg)

Step 2 – Now, long press on the “Power off” option. This will instantly ask you if you want to reboot into safe mode. Select the option and your device will reboot in safe mode.

If you are using Android version 4.2 or earlier, turn off the Realme C55 device and turn it on the back by tapping the power button. When the logo appears, tap and hold the volume down button. This will allow the Realme C55 device to boot in safe mode.

Follow these steps carefully and now you can see a “Safe Mode” written at the corner of your device. This will confirm that you have successfully entered in Safe mode on Android.

Part 3: Safe mode on Android FAQs

In this section, we’ll discuss some frequently asked questions about the safe mode. Some users have many questions regarding the safe mode. Here we’ll try to cover some of them.

1. Why is My Realme C55 on safe mode?

This is a very common question around the world. For many Android device users, it’s quite common to see your phone in safe mode suddenly. Android is a secure platform and if your device sees any threat from your recently installed apps or any programs that want to harm your device; it would go into safe mode automatically. Sometimes, you might accidentally perform the steps discussed in part 2 and boot your device in safe mode.

2. Safe mode won’t turn off on My Realme C55

For the solution to remove safe mode from your device you must follow the step-by-step methods as mentioned in part 1. This will surely take your device out of the safe mode.

The safe mode is a very useful program for any Android device. But it limits the programs of Android and you must remove safe mode after uninstalling the harmful app. This article showed you how to turn off safe mode easily.

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Restore Missing App Icon on Realme C55: Step-by-Step Solutions

The growing conversation around the missing app icons on Android issue has caught our attention. While it seems confusing, it’s a problem that some Android users have encountered.

After all, the presence of app icons on our Android device’s home screen is important for convenient access to our frequently used applications. When your Realme C55’s icons suddenly disappear, it can leave you feeling lost about how to use and access your apps.

No worries, though. We’ve got you covered with a simple guide in this article. Just follow the steps, and you’ll get those missing app icons back on your Realme C55.

Part 1: Make Sure if the Missing App Is Installed

Before proceeding with troubleshooting the missing app icon on your Android device, it’s essential to confirm whether the app is still installed or if it has been accidentally deleted. To do it, you can have a quick check on Google Play:

Step 1: Go to the Play Store.
Step 2: Tap your Google profile at the top right and find Manage apps and devices.
Step 3: Open Manage and select the “Installed” tab.

Now, see whether you can find the app icon that disappeared on your Android. If you can’t find it, it means the app has been accidentally deleted, and you can install it back on your device. However, if it’s confirmed to be installed on your Android but remains missing from your home screen, you can continue the following practice.

Part 2: How To Find the Missing App Icon on Android

“All my apps disappeared from my home Android screen. What should I do?”

If you’ve confirmed that the missing app is installed, but its icon is nowhere to be found on your home screen, don’t fret—there are several solutions you can take to locate and restore the missing app icon on Android.

1. Check hidden apps

How could the Android phone icon be missing? Well, app icons can disappear from your home screen for different reasons. One of the common reasons is you might have accidentally hidden it in your phone. To find and check whether the app is hidden, the steps can be different depending on the phone model you are using.

However, as a general guide, you can follow these steps:

Step 1. Go to your phone’s Settings.
Step 2. Use the search bar to look for “Hidden app.”
Step 3. Once you find the “Hidden app” settings, watch the list to see if the missing app is there. If it is, you can toggle off the switch to unhide it.

2. Move the app to the home screen from the App Drawer

If your app icon disappeared on your Android, you can also easily restore it by adding the app to the home screen from the app drawer. Follow the step-by-step guide below:

Step 1. Open the App Drawer on your Android. To do this, swipe from the bottom to the top, starting from your home screen. The App Drawer is where all your installed apps are neatly listed.
Step 2. Once you open the App drawer, locate the app icon that has disappeared from your home screen. For example, you lost the phone icon on Android. Then, look for the phone icon from the App Drawer.
Step 3. Long-press the Icon of the missing app and move it to the desired location on your home screen. You can drag it to an empty space or a specific folder.
Step 4. Release to drop the app icon onto the home screen.

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3. Re-enable disabled app

App icons can also disappear on the Android home screen if you unintentionally or intentionally disable them. Certain phone models even offer a functionality known as ‘Freezer,’ allowing users to temporarily halt the apps. While in a frozen state, the app remains inactive and doesn’t appear on the home screen until you unfrozen it.

To re-enable the disabled app, you can follow the steps here:

Step 1. Open the Apps & Notifications on the Settings.
Step 2. Select the app which icon is missing on your home screen. For example, tap the phone app if the phone icon disappears on your Android.
Step 3: In the App Info, tap Enable.

4. Reset Android to factory settings

If the previous methods don’t work, you might need to do a factory reset on your Realme C55. But before doing that, it’s important to back up your data first because a factory reset will clear all your data and cache when you press the reset button.

How to reset Android to factory setting:

Step 1: Go to your Android Settings.
Step 2: Select Backup and Reset > Factory data reset. Then, choose to erase all data.

Please be mindful that performing a factory reset on Android will reset your Android completely to its initial state.

Part 3: How to Fix System Error on Android Easily with Reliable Software

Missing app icons on Android can sometimes be a result of errors in your Android system launcher, causing inconvenience and potential disruptions to your device’s operation. To address this issue effectively, you can turn to Dr.Fone’s advanced system repair tool. This tool is designed to handle various system issues, providing an easy and reliable solution.

How to fix the Android system using Dr.Fone’s system repair tool:

Step 1. Open the Repair Tool

Start by launching Wondershare Dr.Fone on your computer. Go to the Toolbox section and connect your Realme C55. Choose System Repair and pick Android as your device type.

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Step 2. Begin Repair

Click Start on the new screen to kick off the repair. Since you’re dealing with the Android system, select System Damage.

Step 3. Fill in the Realme C55 device Details

The platform will detect your Realme C55’s brand. Confirm the Name, Model, Country, and Carrier. If your device is unlocked, choose OPEN in the Carrier section. Agree to the warning, click Next, and proceed with the repair.

Step 4. Activate Download de

Follow the instructions to put your Realme C55 into Download Mode. Once you are in Download Mode, the firmware will be downloaded automatically.

Step 5. Confirm Installation

Remember, the repair may erase data. It’s advisable to back up your data first before starting the repair. Enter “000000” to confirm the repair process, shown by a progress bar. Once finished, click Done and see if your phone has returned to normal.

More Articles About Android System:

9 Solutions for Android Process System isn’t Responding Error

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Conclusion

When the app disappears from the home screen of your Android, it can hinder your ability to access and use the app efficiently. There are several reasons why an app might disappear from your Android home screen, and addressing the issue depends on the specific circumstances.

Whether it’s due to accidental deletion or a system glitch, we have discussed various methods to recover the missing app and ensure smooth functionality in this article. In cases of system-related issues on your Realme C55, it’s advisable to rely on trustworthy software such as Dr. Fone’s system repair tool for a comprehensive resolution.

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How to Fix Android App Not Installed Error on Realme C55 Quickly? | Dr.fone