Note: This guide applies to all Mac OSX systems be it a laptop or a desktop.

In my previous post I mentioned that my MacBook Pro’s hard drive got toasted. And I pondered several ways of fixing it. In the end I’m going to play it safe, and recover the data the good’ol’fashioned way. And to save you the trouble, Im gonna show you how to do it, in case you ever have the need to.

Here is what you’ll need to pull this off:

1. Force Eject any mounted CD’s (Hold mouse button then power on)
2. An External USB Drive
3. Patience =)

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his morning I put my macbook pro into sleep mode, packed it up, and left for work. Only to discover that it wont boot up again.

First Aid

Normal boot: does not work, as stated above.

PRAM reset (Cmd+Opt+P+R): does not produce any visible improvement.

Verbose mode (invoked by Cmd+v): the laptop boots in verbose mode, but immediately hangs repeating the same error message over and over:

disk0s2: 0xe0030005 (UNDEFINED).
disk0s2: 0xe0030005 (UNDEFINED).
disk0s2: 0xe0030005 (UNDEFINED).
disk0s2: 0xe0030005 (UNDEFINED).
disk0s2: 0xe0030005 (UNDEFINED).
disk0s2: 0xe0030005 (UNDEFINED).


It was clear to me that a problem with the hard-disk drive was at the root of all these issues: disk0s2 stands for BSD disk 0, partition 2.

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*** WARNING ***

Use this information at “YOUR OWN RISK”, this may or may not work. You have been warned.
(Although I have successfully completed this procedure on two iPhones)

This procedure does not allow you to use any SIM card on your iPhone, it is merely the 1st step in doing so. You have been warned! *There are no known unlocks for Firmware 1.1.3*

*** END OF WARNING ***

Since there are about 1 million ways to do this, Im sure the lot of you are confused which method to follow. So if you still need help with how to do it, I recommend you to it my way, the lazy way *grins*.

1. If your iPhone’s current firmware version is 1.1.1 or 1.1.2 you can skip this step, if its v1.0.2 then ready on. Get firmware 1.1.1 from here.
2. Open iTunes, connect your iPhone, hold the “alt” key and hit restore, browse to the firmware file you downloaded in step 1.
3. Allow the restore to complete.
4. Slide to unlock and make an emergency call
   1. dial *#307#
   2. press the backspace button on the top left of your screen (on your iPhone)
   3. Enter 0 (”zero”)
   4. Press Call
   5. Press Answer
   6. Press Hold
   7. Press Decline (This will kick you into the contacts list screen on your iPhone)
      1. **** Thereafter every time you hit the iPhones “Home” button to get back to the contacts list, just slide to emergency call:
         1. Dial 0 (”zero”)
         2. Press call
         3. Press hold
         4. Press Decline
   8. Head to http://jailbreakme.com
   9. Scroll down and install “AppSnapp” (If it doesnt appear reload the page and navigate around until it does.)
      1. Once you click install AppSnapp it could take anywhere between 1 to 5 minutes for your iPhone to reboot. If it does not repeat steps 8 -> 9. Once it reboots, grats its now jailbroken and activated.

Tune in for the next blog post, which will show you how you can use any non AT&T Sim card for your iPhone.