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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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Memory Card, Micro SD Card (A1, U3, C10, V30, 4K, 667X), TF Memory Card up to 100 m /s for Cameras, Dashcam, Switch and Smartphones, Only card 128 GBMemory Card, Micro SD Card (A1, U3, C10, V30, 4K, 667X), TF Memory Card up to 100 m /s for Cameras, Dashcam, Switch and Smartphones, Only card 128 GB
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SanDisk Ultra Android microSDHC 16 GB up to 80 MB/s, Class 10 Memory Card with SD Adapter 64GBSanDisk Ultra Android microSDHC 16 GB up to 80 MB/s, Class 10 Memory Card with SD Adapter 64GB
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Vanku Android 10 Car Radio for VW Radio with Sat Nav 16GB European Maps Built-in DAB + Module Supports Bluetooth 5.0 WiFi 4G Android Car USB MicroSD 8 Inch ScreenVanku Android 10 Car Radio for VW Radio with Sat Nav 16GB European Maps Built-in DAB + Module Supports Bluetooth 5.0 WiFi 4G Android Car USB MicroSD 8 Inch Screen
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Micro SD Card 256GB TF Card Class 10 Memory Card with an SD Card Adapter for Android Smartphones, Tablets and with a Card AdapterMicro SD Card 256GB TF Card Class 10 Memory Card with an SD Card Adapter for Android Smartphones, Tablets and with a Card Adapter
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Integral Micro SD Card Reader USB 3.0/USB C Type C OTG Memory Card Adapter for Micro SD, microSDHC, microSDXCIntegral Micro SD Card Reader USB 3.0/USB C Type C OTG Memory Card Adapter for Micro SD, microSDHC, microSDXC
Buy at Amazon for €12.91
As of 2022-05-28 15:54
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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

2022-05-19

Automated Deletion

2022-05-19

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)

2022-05-25

Further Readings:

2022-05-25