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Many smartphone users install cleaner or unwanted data removal tools to increase storage capacity or speed up the operating system.
The Federal Office of Information Technology Security considers that these applications offer no benefit to the user, as most of the principles of cleaning and deleting data from the computer world are not needed with the users. mobile devices with Google Android.
Often, data cleansing or other OS optimization applications only show ads, but sometimes they spy on user data, device behavior, and device data. makes them unwanted.
German experts are advised not to install an application on mobile devices, unless it is necessary, because each application installed on the smartphone is in principle an additional security risk, each application may include security vulnerabilities .
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