How to Fix Android App Not Installed Error

I have a program working in the Android Emulator. Every now and again I have been creating a signed .apk and exporting it to my HTC Desire to test. It has all been fine. On my latest exported .apk I get the error message ‘App not installed’ when I try to install the .apk. What can I do with this issue?

Many Android users would like to install an app with a .apk file extension to their Android phone from Google Play or somewhere, and Google Play Store may get stuck on downloading, get the error message “Application not installed”, or installed apps not showing on the home screen. Also, the “App not installed” error may pop up as the above user described. Then, what to do when trying to install an APK it says “app not installed”?

Knowing the reasons why apps not installed on Android occur is the first step to solving this problem. Here in this post, we will introduce what causes apps not installed on Android and how to fix the Android 11/12 app not installed error, or other Android OS versions.

Also Read: How to Open APK Files on PC >

Why is My Phone not Installing Apps

1. Insufficient Storage

When you’re trying to install apps on your SD card or phone storage, the downloaded app certainly can’t be installed usually caused by storing too much data on your Android phone. Insufficient storage also can lead to Android system update failure, Android process system isn’t responding, etc.

2. Corrupted/Contaminated App File

Besides, the app not installed may mean that you downloaded corrupted files. If you download apps from somewhere else than Google Play Store, app files usually can’t be installed on your device smoothly. It is OK to download apps from other platforms, you just need to check their extension name and make an effort not to install contained files.

3. Storage Location

Apps work best when they are stored on an Android phone’s internal memory and some apps can only be stored in the device’s internal storage. If you don’t save the app in an appropriate location, it is sure that Android app not installed error would occur.

Further Reading: Where Do Deleted Files Go on Android Phone >

4. SD Card Not Mounted in the Device

Even though some apps can be downloaded and installed on SD card, you will see Android app not installed notifications because the SD card is not mounted on the device.

5. Corrupted Storage

Corrupted storage, especially corrupted SD cards, is one of the most common reasons why Android app not installed error occurs. Unwanted data might contain elements that disturb the storage location, causing the Android app can’t install error.

6. Application Permission

Software operations running in the background are set not to allow the installation of third-party software, it is also one reason why app not installed error on Android happens.

Fix App Not Installed on Samsung for System Problems

When you get the error message that says app not installed, it is mainly caused by the above glitches on the Android system. Then you can use DroidKit – Android System Repair to solve the problem. You can fix various Android system issues with DroidKit. For example, apps keep crashing, touch screen not working, Downloading…Do Not Turn Off Target, Samsung black screen, etc. The ROM downloaded and installed on your device when fixing the problem is definitely official from Samsung. It’s 100% secure and stable.

Here’s how to fix system issues with DroidKit:

Step 1. Download and install DroidKit on your computer. Launch the software and click System Fix.

Step 2. Connect your device and click Start button.

Step 3. Click Download Now button to get the firmware package for your device.

Step 4. Once the firmware downloaded, tap one Fix Now. Then, follow the on-screen instructions to put your device into download mode.

Step 5. After that, DroidKit will start repairing Samsung system. Wait for a while, you will get System Fixed Successfully page. All your system problems will be fixed by this way.

How to Fix App Not Installed on Android with Regular Ways

Tip 1. Only Use Google Play Store

Play Store is a platform designed specifically for Android software and it contains only trusted apps. If you only use Google Play Store to download apps, Android app not installed error can seldom occur.

Tip 2. Mount SD Card

Even though your SD card is properly inserted on your Android phone, it sometimes still can be inaccessible. Mounting SD card can make the SD card accessible. Here is how to mount SD card.

Step 1. Go to Settings > Storage.

Step 2. Click on Mount SD card on the Storage Info screen.

Restart your device and try to install the app now, it should work.

Tip 3. Choose App Location Wisely

It is suggested for users not tamper with the app’s location and let the app decide where it needs to be placed. It is always best to place the apps in the phone’s internal storage.

Tip 4. Format SD Card

If the Android app not installed error occurs because SD card is corrupted, formatting the SD card is necessary. However, please do make a backup of the data on SD card so that you don’t have to suffer from any data loss.

Go to Settings > Storage > Format SD Card. Mount it with the steps in Tip 2.

Tip 5. App Permissions

The Android app not installed error can be combated after resetting app permissions.

Go to Settings > Apps > Reset App Preferences/Reset Application Permissions. After this, third-party software can be installed on your device.

Also Read: How to Fix Android is Starting Optimizing App

Tip 6. Try to Clear Data

If your phone and apps go wrong, generally you can also clear the cache and data of the Package installer. To do this:

Go to settings > Apps > Package Installer > Click Clear Cache and Data. After restarting your phone and then check if the problem is fixed.

Bonus Tip: How to Transfer Apps from Android to Android

Switching to another phone is more than just getting a new phone. After making a purchase of a new phone, you have to transfer some important data like contacts, messages, and photos from the old phone to the new phone and then download apps for the new Android phone.

It is no doubt that downloading apps on Android is troublesome and time-consuming. You have to search for the app on the Google Play Store and then wait for the downloading and installation process. Thanks to the development of technology, an innovative tool – AnyDroid can help you transfer apps from Android to Android, saving you from those tedious processes. Here are more reasons why you should have AnyDroid to help you transfer apps from Android to Android.

1. It can help you transfer apps from Android to Android directly within a few clicks. The whole process confuses nobody.
2. It always transfers data at a blazing-fast speed. According to statistics, AnyDriod can transfer almost 1.7 GB of data between Android phones within 1 minute.
3. It is 100% safe and secure. You have our guarantee that while using AnyDroid, it does no harm to your device, and accidents like data loss or information leakage would never occur.
   

   Connect Your Phone to Computer

As you can see, AnyDroid is indeed a nice tool to transfer apps from Android to Android. Why not download it to your computer now and follow this guide to transfer apps from Android to Android?

Also Read: How to Transfer Apps from Android to iPhone >

The Bottom Line

That’s all for the top 7 tips to fix can’t install the app on Android. And DroidKit – Android System Repair can help you fix all Android OS problems. If you are bothered by software problems, download and try this tool with ease. If you find these tips helpful, please give this post a like or share it with others so that more people could benefit. Also, you can share your ideas in the comment column.