How to Fix Android App Not Installed Error

Android users face lots of error and among those, the one error we mostly encounter is App Not Installed Error on Android Phone while installing the Android app in your smartphone. Recently I encounter an App not installed error in my android phone while installing MX player and because of that, I started searching for a solution. to fix Android app not installed or Application not installed.

In this post Solution Exist will cover How to fix App not installed error in android phone. Previously Solution Exist had covered how to fix Error 927 Play Store in android phone make sure you checkout if you are also facing that error in android phone

As Described earlier there are various reasons behind this Application not installed error. Solution Exist had searched and got various points on Android App Not Installed Error solutions. Firstly read why you get Android App Not Installed Error in your smartphone and according to that read how to fix those issues. You would also like to read Our exclusive tutorial on How to speed up Chrome on Android Phones

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Fix app not installed

Common Reasons behind Why Apk Not getting Installed?

Dimmer Application –  Any dimmer app is running in your android phone then Install button will not work while installing app in your phone

Low 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.

Corrupted App file – When you don’t download apps from the Play Store and choose another platform to do that, Those App files are mostly corrupt and cannot installed on your device. I personally recommend you not to download apk from other sources/website

SD Card is not mounted – When your phone is connected to your PC device which can access the SD Card from your device. In that situations, if 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.

App compatibility with Android Version – Some applications on the internet are only meant to work on some Android versions. Installing these applications on newer android versions will show an error.

Application Permission – Application running in the background and App Permission are not new concepts. Such errors can also cause the Unknown Error Code during App installation.

Incorrect file – If you already have an App installed but download another variant with distinct signed or unsigned certificate can also show an error.

Methods to Fix App Not Installed Error | App not installed error solution

App not installed apk is a very common issue that android users face when they try to sideload an app on an android phone. The reason to sideload app can be many but we are not getting into it. There can be several or multiple reasons for the users facing android application not installed error. We had listed all the possible reasons for the subject issue and those are listed below along with how to fix the guide.

Method 1: Allow Apps from Unknown Sources

In the android phone to install the app which is not downloaded from Playstore, you need to tick Install app from an unknown source. By default, this option is unticked for safety purpose, so if this is unticked you will not be also to install the app in android phone and will give you an Application not installed in android smartphone. So to fix this follow the below path.

  1. Go to Settings → Security → Unknown Sources. Enable Unknown Sources.
  2. Now try to install App.

Now try to install the app again and check if your problem of android app not installed error is fixed or not. If not, the continue reading the post and try other solution described here.

Method 2: Clear Data and Cache of Package Installer – Android installation failed

  1. Firstly Open setting of your Android device.
  2. Tap on the option called Apps or Manage apps
  3. Check for the Package Installer App under system Apps
  4. You will find two option of Clear data and Clear cache. (Android Marshmallow 6.0 users check for option Storage to clear data and cache)
  5. Clear the data and cache and your problem is solved.

Method 3: Reset All the App Preference – error installing apk

  1. Firstly Settings of your Android device.
  2. Open Apps or Apps manager.
  3. check for All Apps.
  4. Tap on menu icon.
  5. Click on ‘Reset App Preferences’.
How to Fix Android App Not Installed Error 2

Now again try to install that android app in your android phone and check android application not installed error is fixed or not.

Method 4: Fix App Not Installed Error For Root Devices

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Some apps require root access to install and work because that app is for rooted android phones only Those apps when you try to install it will through error Root access requires. So in order to use those applications, you need to Root an android phone then only you can use that Android App in your phone. If you want to root your android phone in easy steps then must read – Root any Android Phone Without Computer – Detailed Solution

  1. Ensure that your phone is rooted perfectly and
  2. Now go to system → app and grant permissions to the app
  3. Now that App is installed on android phone

Method 5 – Disabling Google Play protect

In order to protect the android user from malware and dangerous apps, Google play protect is a feature that ensures that the app you install in your android phone is safe to install or not. In case Google play protect found that you are installing an android app that is not present on Google play store, it will restrict it to install and can give the app Not Installed Error. This method to fix app not installed is not recommended but if you still want to install those apps and you feel it is save then you can actully Disable Google play protect feature. Follow the below steps to disable Google play protect.

  • Firstly, open Google Play Store on android phone and click on the “Hamburger” menu icon placed at top left corner.
  • Scroll down and find “Play Protect” and tap it.
  • In the “Play Protect” click on the “Settings icon” placed on the top right corner.
  • Now toggle the switch button by tapping to Disable “Scan device for security threats”.
  • Now you’re good to go install the application.

Recommendation – It is recommended to turn on the scan device for secutiry threats once you install the particular app in android phone

In this way, you can fix app not installed problem android by disabling Google play protect service by google play.

FAQ (android apk app not installed)

1. What causes apk not installing on an android phone

Ans – There can be number of reasons why you are facing apk won’t install in your android phone and the most common one is that you had not download app from a trusted source or some third-party developer had mod it.

2. How do I fix app permissions?

Ans – Apps need the permission of the user to perform a certain tasks and use services. To fix app permission, navigate to Setting > Apps and notification > Search for the app > permission and allow all the permission required for the app.

Wrapping Up

Hope this post on How to Fix App not installed error or How to fix Application not installed in android phone is helpful for you and you are able to install the app in your android phone. If you faced any problems in following this tutorial then feel free to use the comment section. Solution Exist will provide your App not installed solution.

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Ronak Prajapati the Founder of Solution Exist is a Chemical Engineer by profession and a Self-trained AndroGeek who is a Part-Time blogger. He is a passionate tech blogger who likes to share his knowledge and helpd to troubleshoot problems of computers and PC.

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