How To Downgrade iPhone 3G From iOS 4 To iPhone OS 3.1.3
Comments
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Worked perfectly Thanks
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This worked perfectly for me :) Thanks!
(on a Mac)
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awesome it worked .... downgraded to 3.1.2
libusb worked (some what confusing but after u figure out how to install it ,it is awesome)
recboot worked (nice software)and used windows 7
awesome tutorial...
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Thank you so much Dave! This helped immensely.
The tutorial was great until the Libusb part. I couldn't figure out how to install it so I googled it & used this link;
http://www.4shared.com/file/-WXR_PqE/Install_LIBUSB.html?start=
Afterwards, my only issue was jailbreaking. I was afraid I'd be stuck on the activation screen but sure enough redsn0w activates the phone for you, no sim card needed. So I downloaded redsn0w 0.9.2 & used the IPSW 3.1.2. Now I'm on jailbroken & unlocked. Hope this helps anyone else who's stuck. -
mine just says...your device is being kicked out of recovery mode. and it's just stuck there
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OKAY I GOT IT WORKING WOOOT!
Libusb download link: http://sourceforge.net/projects/libusb-win32/files/libusb-win32-releases/1.1.14.3/libusb-win32-filter-bin-1.1.14.3.exe/download
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I could not get recboot to work either. I dragged the application out of the unzipped file. Once I put the application icon back in the correct place it "kicked" it right out. Restoring now. Having a hard time picking the correct restore file.....
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Worked great! Phone runs so much better. Well worth it on the Iphone 3g. GO FOR IT!
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Thanks. I was able to downgrade my iPhone 3G without any trouble. The RecBoot that I downloaded today worked on my PC (Vista 64-bit) without .Net or LIBUSB installation. iPhone 3G working great again :)
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Downgraded my 3G from 4.0 to 3.1.3 using a Mac. Worked like a charm. Thanks!
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Worked flawlessly for me with Windows7 64bit. My phone is usable again.
Thanks
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Step 1's Windows system path for iTunes OS files is incorrect for Windows 7. It's at C:\Users\[user name]\AppData\Roaming\Apple Computer\iTunes\iPhone Software Updates
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Thanks. Just finished downgrading flawlessly.
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Yes. Before a second attempt, I renamed my version 4 IPSW file. Then, in step 4b I used Shift-Restore (not Alt-), for Windows 7-64. I made both changes between attempts 1 and 2 so don't know which one mattered.
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it worked but i lost all content including all apps. very frustrating!
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does anyone know if this works with ipod touches too?
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Worked a treat for me....whooppeeeee
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I didn't backup my data when my iPhone 3g was on 3.1.3. Now it is on 4.0. If I downgrade to 3.1.3 could I simply set up a new phone and sync with iTunes and not lose any data? In other words can I simply sync a brand new phone with my old iTunes library and have all my music, apps, and contacts match what is on iTunes?
Thanks for any help
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perfekt
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Yes!! After downloading iOS 4 it was a nightmare doing anything on my iPhone. Decided to look up how to restore the previous version and found this - worked perfectly! Now I can actually use my iPhone again! XD
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Yes....I did
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Make sure it's running in win xp if u r running vista or win 7
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Thanks!! iOS4 turned my 3G into a total piece of crap. I was ready to pitch it for a 3GS or 4G replacement. This cure for going back to iOS 3.1.3 worked perfectly!! I don't know why some folks had problems, but I suspect they might be related to Bill Gates (iTunes running on a PC). I used a MacBook Pro running OS X 10.5.8. It was extremely simple.
Aloha, Greg S.
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I'm on net book that cost me sod all and it's runnin winxp and it worked a treat for me too. Seems that paying ten times more makes no difference
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Thank you so much it worked. My iPhone is back to normal!
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Thank you soooooo much! My iPhone 3G is blazing fast again and all my apps are working!
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Thank you so much.I ran it on windows 7.i didnt install Libusb and instead of hitting alt i hit the shift button.Thanks again
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This didn't work for me. I was not able to open the downloaded 3.1.3os. Ended up restoring back to 4.0.1 :-(
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I tried to follow the instructions but when it hit ALT=restore.. it dorectly went on to restore the latest version of os 4.0... How on earth am Isupposed to navigate to point it to the zipped pack of the 3.1.3 version??? Took a hell of a while doing the same **** it did before.. its back to the os4.... Please help..
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This part is not very clear to me....
(b) Hold the Option/Alt key down and click on the 'Restore' button
(c) Navigate to the computer desktop and click on the downloaded iPhone OS 3.1.3 firmware to restore.
(C- never happened... oit just automatically updated to os4)
