How to completely wipe personal information from an Android phone?

tswayne

Avast released a report saying that they were able to recover data, including rather compromising personal photos, from used Android devices that had been “wiped” prior to resale. As someone who replaces my devices on a regular basis, this is an issue of some concern for me. If a factory reset won’t do the trick, what will?

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jimlynch
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The best way to completely wipe your Android device
http://www.cnet.com/how-to/the-best-way-to-completely-wipe-your-android-...

wstark
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Keep in mind that the people pulling that data off used devices are experts, it isn’t as if Joe Schmoe can just push a button and your deleted information pops back up. Still to be safe, prior to wiping the device with a factory reset, simply encrypt your device. It’s very easy, but be aware that it might take an hour or so for encryption to be complete. Just go to settings>security>encrypt device.

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