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Das inoffizielle Android-SystemhandbuchDas inoffizielle Android-Systemhandbuch
Buy at Amazon for EUR 7,00
SanDisk Ultra microSDXC UHS-I Speicherkarte 128 GB (für Smartphones & -Tablets, wasserfest, temperaturbeständig, stoßfest, A1, U1, Class 10 + Adapter)SanDisk Ultra microSDXC UHS-I Speicherkarte 128 GB (für Smartphones & -Tablets, wasserfest, temperaturbeständig, stoßfest, A1, U1, Class 10 + Adapter)
Buy at Amazon for EUR 18,99
SanDisk Ultra 64GB (SDSQUAR-064G-GN6MA)microSDXC Speicherkarte + Adapter bis zu 100 MB/Sek., Class 10, U1, A1,Grau, RotSanDisk Ultra 64GB (SDSQUAR-064G-GN6MA)microSDXC Speicherkarte + Adapter bis zu 100 MB/Sek., Class 10, U1, A1,Grau, Rot
Buy at Amazon for EUR 11,50
Huawei P30 lite Dual-SIM Smartphone Bundle (6,15 Zoll, 128 GB ROM, 4 GB RAM, Android 9.0) schwarz + Micro SD 16GB Speicherkarte [Exklusiv bei Amazon] - DE VersionHuawei P30 lite Dual-SIM Smartphone Bundle (6,15 Zoll, 128 GB ROM, 4 GB RAM, Android 9.0) schwarz + Micro SD 16GB Speicherkarte [Exklusiv bei Amazon] - DE Version
Buy at Amazon for EUR 259,00
SanDisk Ultra 200GB microSDXC Speicherkarte + Adapter bis zu 100 MB/Sek., Class 10, U1, A1SanDisk Ultra 200GB microSDXC Speicherkarte + Adapter bis zu 100 MB/Sek., Class 10, U1, A1
Buy at Amazon for EUR 26,40
Das neue Fire HD 10-Tablet│10,1 Zoll großes Full HD-Display (1080p), 32 GB, Schwarz mit SpezialangebotenDas neue Fire HD 10-Tablet│10,1 Zoll großes Full HD-Display (1080p), 32 GB, Schwarz mit Spezialangeboten
Buy at Amazon for EUR 149,99
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
Buy at Amazon for EUR 279,99
ACEPAD A121 (10.1") 3G Tablet PC, 2GB RAM, 64GB Speicher, Android 9.0 Pie, Dual-SIM, IPS HD 1280x800, Quad Core CPU, WiFi/WLAN/Bluetooth, microUSB/microSD (Alu-Weiß/Silber)ACEPAD A121 (10.1") 3G Tablet PC, 2GB RAM, 64GB Speicher, Android 9.0 Pie, Dual-SIM, IPS HD 1280x800, Quad Core CPU, WiFi/WLAN/Bluetooth, microUSB/microSD (Alu-Weiß/Silber)
Buy at Amazon for EUR 134,90
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 2019-12-07 03:07
prices & availability might be subject to change.
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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

2019-11-24

Automated Deletion

2019-11-24

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)

2019-12-01

Further Readings:

2019-12-01