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Das inoffizielle Android-SystemhandbuchDas inoffizielle Android-Systemhandbuch
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SanDisk Ultra Android microSDXC 128GB bis zu 80 MB/Sek Class 10 Speicherkarte + SD-AdapterSanDisk Ultra Android microSDXC 128GB bis zu 80 MB/Sek Class 10 Speicherkarte + SD-Adapter
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SanDisk Ultra 64GB Android microSDXC Speicherkarte bis zu 80 MB/Sek, Class 10SanDisk Ultra 64GB Android microSDXC Speicherkarte bis zu 80 MB/Sek, Class 10
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BlitzWolf TF Karte, 128GB Micro Speicherkarte Klasse 10 UHS-1 SD Karte Speicher Memory Flash Card + SD Adapter für Telefon, Tablet und PC(128GB)BlitzWolf TF Karte, 128GB Micro Speicherkarte Klasse 10 UHS-1 SD Karte Speicher Memory Flash Card + SD Adapter für Telefon, Tablet und PC(128GB)
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SanDisk Ultra 32GB microSDHC Speicherkarte + Adapter bis zu 98 MB/Sek., Class 10, U1, A1SanDisk Ultra 32GB microSDHC Speicherkarte + Adapter bis zu 98 MB/Sek., Class 10, U1, A1
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Transcend TS128GUSDU1 Premium Class 10 microSDXC 128 GB Speicherkarte mit SD-Adapter (UHS-I, 60 Mbps Lesegeschwindigkeit)Transcend TS128GUSDU1 Premium Class 10 microSDXC 128 GB Speicherkarte mit SD-Adapter (UHS-I, 60 Mbps Lesegeschwindigkeit)
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PUMPKIN Android 9.0 Autoradio Radio mit Navi 4GB / 8 Core Unterstützt Bluetooth DAB + Android Auto USB WiFi 4G MicroSD 2 Din 7 Zoll BildschirmPUMPKIN Android 9.0 Autoradio Radio mit Navi 4GB / 8 Core Unterstützt Bluetooth DAB + Android Auto USB WiFi 4G MicroSD 2 Din 7 Zoll Bildschirm
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PUMPKIN Android 9.0 Autoradio Radio für Opel Astra Corsa Zafira mit Navi DVD Player Unterstützt Bluetooth DAB+ USB CD DVD Android Auto MicroSD 2 Din 7 Zoll Bildschrim SchwarzPUMPKIN Android 9.0 Autoradio Radio für Opel Astra Corsa Zafira mit Navi DVD Player Unterstützt Bluetooth DAB+ USB CD DVD Android Auto MicroSD 2 Din 7 Zoll Bildschrim Schwarz
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PUMPKIN Android 9.0 Autoradio für VW Radio mit Navi 4GB / 8 Core Unterstützt Bluetooth DAB + CD DVD WiFi 4G Android Auto USB MicroSD 8 Zoll Bildschrim 2 DinPUMPKIN Android 9.0 Autoradio für VW Radio mit Navi 4GB / 8 Core Unterstützt Bluetooth DAB + CD DVD WiFi 4G Android Auto USB MicroSD 8 Zoll Bildschrim 2 Din
Buy at Amazon for EUR 349,99
As of 2019-10-20 20:04
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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

2019-10-19

Automated Deletion

2019-10-19

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)

2019-10-07

Further Readings:

2019-10-20