Android 13 has set new limits for downloading apps

In Android 13, you face new restrictions for sideloading applications. Of course, Google is not going to leave out such a feature, but thanks to this new feature, malware can no longer exploit this feature as before.
According to studies, in Android 13, downloaded applications can no longer use the relevant API Use accessibility features. Regarding the concept of sideload itself, we must say that this term is used for applications that are installed directly on the phone by downloading the APK file.
People with various disabilities have a wide range of accessibility capabilities They use Android. For example, we can mention the TalkBack service, which reads the contents of the phone for the blind. However, applications that use the API for these services can access all of the content on display and even take action.
For this reason, over the past few years, Google has repeatedly restricted applications from accessing these services to minimize their misuse. For example, it was announced some time ago that Android apps will soon lose access to one of the accessible services used to record phone calls.
But the restrictions of Android 13 specifically apply to apps Which are installed by unreliable and unknown sources. This means that apps coming to the phone from the Play Store or F-Droid will not face such a restriction. Google has stated that even if the user wants to provide such access to an application installed through unreliable sources, this permission will not be issued by Android 13.
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Source: Android Authority