Software operations running in the background and App Permission are not new concepts. Take this issue seriously as a corrupted SD Card and even clogged up internal memory can put your device in danger. 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.

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.Ĭorrupted storage, especially corrupted SD Card, is known to cause the Android App isn't installed error. You must be aware that certain Apps work their best when stored in the device’s internal memory, whereas others need to be located on an SD Card. 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. 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.Īt times your phone could be connected to your PC or another electronic device that can access the SD Card from your device. 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. What are the reasons for Android App not installed error? Given below are a few reasons:Īndroid 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.

Part 1: Common reasons for “Android App not installed” error

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