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Das inoffizielle Android-SystemhandbuchDas inoffizielle Android-Systemhandbuch
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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
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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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SanDisk Ultra 32GB Android microSDHC Speicherkarte bis zu 80 MB/Sek, Class 10SanDisk Ultra 32GB Android microSDHC Speicherkarte bis zu 80 MB/Sek, Class 10
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QARFEE-4IN1 32GB Type C USB Flash Drive,​Memory Card Reader for Micro SD,​Metal USB Photo Stick External Storage Pen Drive U Disk Compatible for iPhone iPad iPod Mac Android Phone PC Laptop,​GreyQARFEE-4IN1 32GB Type C USB Flash Drive,​Memory Card Reader for Micro SD,​Metal USB Photo Stick External Storage Pen Drive U Disk Compatible for iPhone iPad iPod Mac Android Phone PC Laptop,​Grey
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PUMPKIN Android 8.1 Autoradio Moniceiver mit Navi 10,1 Zoll Bildschirm Unterstützt Bluetooth DAB+ USB Android Auto WLAN 4G MicroSD 2 Din UniversalPUMPKIN Android 8.1 Autoradio Moniceiver mit Navi 10,1 Zoll Bildschirm Unterstützt Bluetooth DAB+ USB Android Auto WLAN 4G MicroSD 2 Din Universal
Buy at Amazon for EUR 349,99
As of 2019-04-22 15:25
prices & availability might be subject to change.
PermissionsConcernsSearch apps by category and permissiondehelp

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

2019-04-05

Automated Deletion

2019-04-05

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)

2019-04-08

Further Readings:

2019-04-08