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Das inoffizielle Android-SystemhandbuchDas inoffizielle Android-Systemhandbuch
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SanDisk Ultra microSDHC memory card + SD adapter with A1 app performance up to 120 MB/s, Class 10, U1SanDisk Ultra microSDHC memory card + SD adapter with A1 app performance up to 120 MB/s, Class 10, U1
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1TB Micro SD Card with Adapter High Speed Card Class 10 Memory Card for Android Smartphone Digital Camera Tablet and Drone MicroSD (1TB)1TB Micro SD Card with Adapter High Speed Card Class 10 Memory Card for Android Smartphone Digital Camera Tablet and Drone MicroSD (1TB)
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1TB Micro SD Card with SD Card Adapter High Speed Micro SD Memory Card TF Card 1TB Class 10 for Android Smartphones, Digital Cameras, Tablets1TB Micro SD Card with SD Card Adapter High Speed Micro SD Memory Card TF Card 1TB Class 10 for Android Smartphones, Digital Cameras, Tablets
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Beikell SD Card Reader, Dual Plug USB 3.0/USB C Card Reader High Speed OTG Adapter, for SD/MMC/Micro SD/TF/SDXC/SDHC/Micro SDHC/Micro SDXC, Compatible with Android/Windows/Mac OS etc.Beikell SD Card Reader, Dual Plug USB 3.0/USB C Card Reader High Speed OTG Adapter, for SD/MMC/Micro SD/TF/SDXC/SDHC/Micro SDHC/Micro SDXC, Compatible with Android/Windows/Mac OS etc.
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Beikell USB 3.0 Card Reader, Dual Connector USB C Card Reader High Speed OTG Adapter Aluminium, Supports SD/Micro SD/TF/SDHC/SDXC/MMC, for Android/Windows/Mac/Linux OS etc.Beikell USB 3.0 Card Reader, Dual Connector USB C Card Reader High Speed OTG Adapter Aluminium, Supports SD/Micro SD/TF/SDHC/SDXC/MMC, for Android/Windows/Mac/Linux OS etc.
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As of 2024-04-13 04:37
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Safe Data-Wipe

The day will come: your good-old Android shall get replaced by a newer model. If you no longer need the "old one", you probably want to give it away. But you certainly don't want the new owner accessing your sensible data which might have been stored on it. So what to do?

There's of course the Factory-Reset. But does it really sanitize your data in a way they cannot be (easily) restored? Unfortunately, that's not the case: though they are deleted, they are not wiped – so with the right tools, they could be restored. Admitted, that takes some little knowledge and work – but it's possible. A good counter-measure is to really "nuke" or "wipe" the storage – i.e. overwrite it with "random patterns". Corresponding guidelines are described by the National Institute of Standards and Technology (NIST) in a PDF Dokument.

Secure Wipe

2024-04-12

Automated Deletion

2024-04-12

Not quite a safe wipe as described above – but still a welcome helper: automatically do a factory-reset / delete all files, if the number of unsuccessful unlock-trials exceeds a certain threshold. That at least makes it more difficult for the attacker to access your data. Unfortunately, none of the few apps in this group is available anymore.

De-Deletion (Recovering)

2024-03-29

Further Readings:

2024-04-12