Hot answers tagged security
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The password recovery is the same as recovering your forgotten Google account password. On your computer, go to Google Account Recovery and follow the instructions there. The process depends on many things, such as do you have 2-step verification installed, do you have backup codes or have you set up an alternate email.
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For information about seeing log messages, look at the answers to How can I view and examine the Android log? Note that the behaviour is different between 4.1-jelly-bean and prior versions.
Android users don't work like users on a normal GNU/Linux system, so unlocking the lock screen is not a "login" in the same way that logging into a terminal session, ...
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You could consider using an app locker, e.g. Smart AppLock (App Protector). Photos are taken by the camera app, regardless of whether you invoke it from the app drawer, a shortcut, widget, or via pressing the camera button. So if you lock the camera app (and the playstore app, so the user doesn't simply install an alternative camera app -- also make sure to ...
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Almost every F-Droid app is signed with a different key, though all keys are in the same key store. In order for the switch to be bypassed, F-Droid client would have to be installed as a system app and made to work safely as such. That wouldn't become a priority for the project unless they were approached by CM.
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The solution to your problem is using an "App Locker", which lets you protect selected apps with a password (or pattern). Each time you want to open a protected app, you then have to first "unlock" it. There might also be solutions permitting you to keep the "unlock" cached, e.g. for a confugured time span or place (e.g. when home) -- but as I don't need any ...
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The reason for this is that the Gmail app doesn't have a login function, instead it uses the Google account that you have added to the phone. You either have to add the other person's Google account to your phone and remove it after they've used it (which is time-consuming) or tell them to use the browser to access their Gmail, which can be set to either ...
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For a real safe delete of all data on the device, a simple factory-reset won't do: data might still be recoverable if one takes the efforts required for such a data-recovery. So I'd recommend taking a look at e.g. Nuke My Phone:
Following National Institute of Standards and Technology (NIST) guidelines, Nuke My Phone sanitizes your internal SD card, ...
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