How do you downgrade ur psp(FAT?

How to downgrade iPhone 3Gs?

  • i dont have cydia or i dont know that much about the iphone i have the newest version 5.01 and i want to go back the 4.1 . the version 5.1 wont let ur iphone be active its really bad please tell me step by step

  • Answer:

    1. Plug your iPhone 3GS to iTunes 2. One iPhone Menu go to 'Summary' option 3. There on the Version option click on Restore. 4. Follow the Steps and you be downgraded to iOS 4.1 Hope it helped..

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Without jailbreaking it, you can't. It's easier to just buy a new iPhone and ask them NOT to update it, since if you mess it up it violates your warranty and you have to buy a new one if you can't fix it yourself. It's not worth it.

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