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How to downgrade and jailbreak a 1.1.3 iphone for macAll > Tech > Hacks/Mods > Gadgets > How to downgrade and jailbreak a 1.1.3 iphone for mac by elhackerOk, so say you upgraded to 1.1.3 and now regret doing so and miss your third party apps and the only way to jailbreak a 1.1.3 is to start with a 1.1.2 jailbroken iphone but how do you get back to 1.1.2? It is possible to downgrade and upgrade again and still have the phone capabilities of this semi-magical device and in this guide, i will show you how. Take heed, i am not responsible for any complications that may arise with your particular iphone AKA bricked. Also, this process is lengthy and should not be performed on iphones with out of the box 1.1.3. DO THIS AT YOUR OWN RISK< IM NOT RESPONSIBLE FOR ANY MISHAPS!!!!!!! But you shouldnt worry because if you follow my instructions you should, in theroy, be ok =) If at any point in this you iphone goes into recovery then just launch independence. If you ever get main script execcution failed then all you have to do is restart your iphone. If this fails, then just restore to 1.1.1 and start again. DONT DO THIS ON OUT OF THE BOX 1.1.3!!!!!!!!! Step 1: Download the following files iphone firmware 1.1.1 here:http://wiki.howardforums.com/index.php/IPhone_Firmware_Downloads Iphone firmware 1.1.2 here:http://wiki.howardforums.com/index.php/IPhone_Firmware_Downloads Iphone 1.1.2 jailbreak here:http://conceitedsoftware.com/iphone/site/112jb.html Independence beta (for mac) here:http://code.google.com/p/independence/ Step 2: Downgrade Next, put your iphone in to recovery mode by holding the sleep wake button and the home button for about 10 seconds like a normal reset until the screen goes dark and once it does, release the sleep wake button but continue holding down the home button for another 15 sec until itunes has detected that your phone is in recovery mode. Next, locate the 1.1.1 firmware file you downloaded earlier and take the .zip off of it so it ends in .ipsw. Go back to itunes and hold the option key and click restore. Finder should pop up. Locate the 1.1.1 firmware file and select it. Itunes should do all the extracting and restoring. After the update is finished, itunes will say error 1015 occured. This is normal. Itunes should still be in recovery mode. Do the option restore and thing again and select the 1.1.1 firmware file once again and let itunes extract and restore. Once this is done the same error will occur and the iphone will still be in recovery mode. Next, launch independence and wait a little while (10-20 sec) and your iphone will be kicked out of recovery mode. Close independence. Itunes/iphone will detect incorrect sim. This is also normal. Step 3: jailbreak 1.1.1 First, slide the slide for emeregency slider and in the keypad type *#307# and call. The phone should start to ring and bring you straight back to the key pad. Now dial 0 the phone will begin to ring again. hit answer, hold decline and this should bring you to the main iphone phone page. Now tap contacts, add contact and name the contact what ever you want. Now go down to add url. add the url pref: and then add another url jailbreakme.com and then save. then tap the contact you just made and hit prefs. This should take you o the iphone settings application. Go to wifi and connect to your wifi point. then go t general<autolock<and change it to never. Then press the home button. Then slide for emergency call and type 0 call. The phone should start to ring. Hit answer, hold, decline again. This should once again launch the phone app. Go back to the contact you made and open it up and this time tap the url jailbreakme.com. This should launch the safari browser. Scroll down to the bottom of the page and tapp install appsnap. Then DONT TOUCH ANYTHING!!!!!!!! Just wait for the iphone to reboot, this may take a while depending on your connection. Now, once it reboots, you should have a fully jailbroken 1.1.1 iphone. Dont worry, the incorrect sim notice should still be there. Step 4: Correct Sim!!!!!!! =) (downgrade baseband) Okay, first launch installer and go to install and scroll down to system. Install the BSD subsystem. Then go to sources,edit, add. type in http://i.unlock.no/ Now go back to install and scroll down to unlocking tools and find the basebanddowngrader. This should take about 5-10mn to install. Once finished, put you phone into recovery mode and do the option restore and once again select the 1.1.1 firmware file once finished, when iphone asks you to restore from back up, dont, just set up as a new phone and you will now notice that you have an activated 1.1.1 iphone!!!! =) (if your iphone goes into recovery mode, just launch independence and let it boot it out) If you want to UNLOCK your iphone, now would be the best time to do so. Just Run anysim. Step 5: upgrade to 1.1.2 Go to settings and hook up to wifi and then go to general<autolock< and set it to never Next, launch safari and navigate to jailbreakme.com and scroll to and tap install appsnap. Safari will crash and the iphone will go to the slide to unlock screen. Slide the slider and launch installer. Go to install and scroll down to system and install BSD subsystem. Then scroll down to tweaks 1.1.1 and install oktoprep. once finished, launch itunes and hold down the option key and click the update key and locate the unsipped 1.1.2 firmware file. Select it and let itunes do its thing. When finished, you should have a 1.1.2 iphone. Step 6: Jailbreak iphone 1.1.2 Close out of itunes and open the 1.1.2 jailbreak file. Click on jailbreak.jar and then click jailbreak me. wait a while and when finished, your iphone MAY go into recovery mode. If so, just launch independence and wait till you are booted out and when finished, you should have a jailbroken iphone 1.1.2 =) Step 7: upgrade to 1.1.3 and jailbreak okay, first launch installer, scroll down to system and install the BSD subsystem. Once finished, scroll down to system again and install the official 1.1.3 upgrader. Once finished, press the home button and launch it. this step should take about 20-30mn but once finished, you should have a 1.1.3 jailbroken iphone =) If your iphone goes into recovery mode just launch independence and wait once again Email me at if this guide was helpful to you or if you have any questions or concerns or just leave me a comment =) HAPPY HACKING!!!!! THANKS!!!!!!!!!!!!! (I will be posting a youtube video soon of how to do this if this doesnt help) Credits/sources: Iphone dev team Independence Howard forums Iphone atlas i.unlock.no HEY!!!!! Check out my youtube acount on iphone and hacking it. http://www.youtube.com/user/iphoneman12 I am just starting out but check it out anyway!!!! Comments: ![]() Log in or register to post comments. Comments and questions to Syndication:
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Posted by amigliora 48 weeks ago ( 04-Feb-2008 16:25:06 )
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Posted by alfredkoh 46 weeks ago ( 18-Feb-2008 02:45:08 )
This comment was edited at 2008-02-18 03:06:44
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