![]() The choices are immediately (every time you wake the iPhone), after 1 minute, 5 minutes, 15 minutes, 1 hour or 4 hours. You can set how long it takes for the iPhone's passcode lock to be enabled. If you accidentally erase all data on your iPhone, you can still restore the data by using iTunes to apply your latest backup. ![]() (You can't use the iPhone while this is taking place.) Note that one danger of telling your iPhone to erase all data after 10 incorrect attempts is that you will no longer be able to use MobileMe to track your iPhone's location, send messages to the iPhone, etc. On the original iPhone and the iPhone 3G, the iPhone erases all data by writing over the data, a process that can take two hours or more. On an iPhone 3GS, this happens instantly because the 3GS simply removes the encryption key to all data on the device. ![]() With this on, after 10 incorrect attempts, the iPhone will erase all data. Alternatively, in Settings -> General -> Passcode Lock you can turn on the "Erase Data" after 10 failed passcode attempts feature. By default, after 10 incorrect attempts the iPhone tells you that you must connect the iPhone to iTunes to unlock it and does not allow you to try to guess the password again. After 10 incorrect attempts, what happens next depends upon your settings. If the ninth attempt is wrong, the person must wait 60 minutes before trying again. If the eighth attempt is wrong, the person must wait 15 minutes before trying again. If the seventh attempt is wrong, the person must wait 5 minutes before trying again. After six incorrect attempts, the person must wait one minute before trying again. The passcode lock is a nice first level of security for your iPhone just in case it is picked up by a "bad guy" or, for that matter, a child.Ī person who picks up an iPhone with the passcode lock enabled has 10 chances to enter the correct code, but that doesn't mean that he can just try 10 different codes in a row. When the passcode lock is turned on, a person who picks up your iPhone cannot use it (except for emergency calls) without entering the four digit password. The default is to have a four character passcode, all numbers (although as noted below, this can be changed to something more complicated). ![]() You enable the feature by going to Settings -> General -> Passcode Lock. That flaw was fixed last year and there have been other updates to the iPhone passcode lock feature in iPhone Software 3.1, so I thought this would be a good time to take a close look at this feature. About a year ago, when iPhone Software 2.0 was out, Apple received bad publicity because there was an easy way to bypass the passcode just by double-clicking the home button. The iPhone includes a passcode lock feature. If you have any questions about this, just send me an e-mail or post a comment on a specific product review. Often, I will also provide my own commentary on the product, and while my goal is to be honest, please keep in mind that I was compensated to promote the product. When I discuss products from these companies on iPhone J.D., I do so to pass along information provided to me by the sponsor. (4) Some of the ads that run on this website are from monthly sponsors of iPhone J.D. Other ads are from paid advertisers, and if I discuss a product from a company that is a current advertiser, I will note that. If one of these ads comes from the seller of a product reviewed on iPhone J.D., that is a coincidence and I do not believe that it colors my review of that product. (3) Some of the ads that run on this website are selected by others such as Amazon or Google. ![]() Again, I do not believe that I let that color my review of products. As an Amazon Associate I earn from qualifying purchases. (2) When I post links to product pages on certain stores, including but not limited to Amazon and the iTunes App Store, my links include a referral code so that when products are purchased after clicking on the link, I often receive a very small percentage of the sale. I sometimes keep and continue to use these products that I did not pay for after posting my review, which might be considered a form of compensation for my review, but I do not believe that I let that color my review. Pursuant to 16 CFR Part 255, the Federal Trade Commission's Guides Concerning the Use of Endorsements and Testimonials in Advertising, please note: (1) iPhone software and hardware developers routinely send me free versions of their products to review. ![]()
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