To increase iPhone security, turn off Simple Passcode and use a longer passcode with a combination of numbers, letters, punctuation, and special characters. (Data protection may also be used by some apps available in the App Store.) A notice at the bottom of the Passcode Lock screen in Settings shows whether data protection is enabled. Data protection uses your passcode as the key for encrypting mail messages and their attachments stored on iPhone.
Setting a passcode turns on data protection. iPhone then requires you to enter the passcode to unlock it or to display the passcode lock settings. Set a passcode: Choose Settings > General > Passcode Lock and enter a 4-digit passcode, then enter the passcode again to verify it. You can set a passcode that you must enter each time you turn on or wake up iPhone. This resets all settings, and erases all your information and media by removing the encryption key to the data (which is encrypted using 256-bit AES encryption)." Choose General > Reset and tap “Erase All Content and Settings.” "Erase all content and settings: Connect iPhone to your computer or a power adapter. Note that the "simple" 4 digit passcode is less secure as an encryption key. iPhone data is encrypted when using a passcode with iOS 4 - earlier iOS versions do not use the passcode as an encryption key.
Having come from phones which required zero-writes of flash memory and star/pound-codes to fully reset on CDMA networks, I'm not used to having just "securely" gotten rid of many gigabytes of data in three minutes.Ĭorrect.
I know what to do in these situations but he needed the phone back fast as he was going on vacation. His kid changed the password on him and he tried so many times he ended up disabling it. A friend brought his iPhone for me to fix. I just want to make sure I'm not overlooking something as far as making sure that the data/settings/network settings/everything on the phone is long gone. 1 I hope this is the right section for this post.I came across a free download for gecko iPhone toolkit yesterday. I do remember seeing something something along those lines on an Apple support page, but my interest in encryption is way beyond my understanding of it. My understanding is that when you're using a passcode (thus turning on data protection), tapping "reset all settings and data" deletes the key to the data which keeps the data encrypted on the phone, making it irrecoverable. Prior to SIM card swapping, I hit "reset all settings and data" and let that run to completion, which now has me stuck at the iTunes activation screen on that phone. I was using a passcode for the phone, and I remember seeing "data protection is enabled" at the bottom of that screen.
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