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Das inoffizielle Android-SystemhandbuchDas inoffizielle Android-Systemhandbuch
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SanDisk Ultra 64GB microSDXC Memory Card + Adapter up to 100 MB/s, Class 10, U1, A1, FFP 64GBSanDisk Ultra 64GB microSDXC Memory Card + Adapter up to 100 MB/s, Class 10, U1, A1, FFP 64GB
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SanDisk Ultra Android 64 GB microSDXC Memory Card + SD Adapter (Newest Version) FFP up to 80 MB/s, Class 10SanDisk Ultra Android 64 GB microSDXC Memory Card + SD Adapter (Newest Version) FFP up to 80 MB/s, Class 10
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SanDisk Ultra 64GB Imaging microSDXC Memory Card + SD Adapter up to 100 MB/s, Class 10, U1, A1SanDisk Ultra 64GB Imaging microSDXC Memory Card + SD Adapter up to 100 MB/s, Class 10, U1, A1
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SanDisk Extreme 64GBSanDisk Extreme 64GB
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Intenso 3413480 32GB SDHC Micro Memory CardIntenso 3413480 32GB SDHC Micro Memory Card
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Android 9.0 Car Radio for BMW E39 E53 with Sat Nav Supports Bluetooth DAB + WLAN 4G USB CD DVD Android Car MicroSD Aux 7 Inch Screen 1 DinAndroid 9.0 Car Radio for BMW E39 E53 with Sat Nav Supports Bluetooth DAB + WLAN 4G USB CD DVD Android Car MicroSD Aux 7 Inch Screen 1 Din
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SD/TF External Memory Card Reader Card Reader 4 in 1 USB 3.0 Male / Micro USB / Type C Memory Card Reader Adapter Flash Drives OTG Pendrive for iPhone iPad Mac iOS Android PCSD/TF External Memory Card Reader Card Reader 4 in 1 USB 3.0 Male / Micro USB / Type C Memory Card Reader Adapter Flash Drives OTG Pendrive for iPhone iPad Mac iOS Android PC
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Micro SD Card Reader, Rock 4 in 1 External Card Reader USB Stick Micro SD & TF Card Reader Adapter for iPhone iPad Mac iOS Android Windows PC, WhiteMicro SD Card Reader, Rock 4 in 1 External Card Reader USB Stick Micro SD & TF Card Reader Adapter for iPhone iPad Mac iOS Android Windows PC, White
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As of 2020-03-31 14:05
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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

2020-03-20

Automated Deletion

2020-03-20

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)

2020-03-30

Further Readings:

2020-03-30