Add a comment. Active Oldest Votes. Improve this answer. On re-reading TooAToB's answer, they did actually answer the question, so I've modified the wording of my own answer - but I still feel it's worth having a clearly stated version.
If you're experiencing any problems with this, let me know. See my answer here for details on why your answer is not correct: apple. Look to the question, there is no jailbroken phone here. My answer is relevant to both users of jailbroken and non-jailbroken iOS devices.
I wrote it to be a universal answer. You did not read the 3GS part, did you? Updated my answer so it's less confusing for general problems in question of this topic — TooAToB. Show 6 more comments. Here's what we found to work well: Download the iOS ipsw you want. Hold down the 'Shift' key on your keyboard and click the 'Update' button. Select the ipsw file and iTunes will install this version. On the Mac version of iTunes Since Apple no longer signs old OS's, sadly you can't downgrade very far.
Jimmy Mooney Jimmy Mooney 5 5 silver badges 12 12 bronze badges. I'm going to have to disagree with Andrew and Jimmy. Although it's true that Apple stops signing old versions of iOS, they continue to sign the last supported firmware version for legacy devices.
Val Val 1. The Overflow Blog. Podcast Who is building clouds for the independent developer? Exploding turkeys and how not to thaw your frozen bird: Top turkey questions Featured on Meta. You can save SHSH blobs during the signing window and manage them yourself, or you can use iFaith to have them be saved and managed for you with Saurik's Cydia server. For pre-A5 devices, it is usually possible to extract valid SHSH blobs and APTickets for the current firmware regardless of that firmware's signing status.
A situation in which this may not be possible would be if you arrived on your current firmware via an OTA over the air update. Installation of these images is possible, and there is a tool called OdysseusOTA a derivation of Odysseus to do just that. You must be jailbroken to use the tool, because you need to have tfp0 enabled to bootstrap a custom firmware image in RAM , which requires modification of the kernel's VM region.
This answer will be kept up-to-date as much as possible. You have to download the wanted IPSW file. If you had the beta of iOS 7 you may be able to go back to iOS 6. But if you don't, you have to download iOS 7. Sign up to join this community.
The best answers are voted up and rise to the top. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Learn more. Can I install any iOS version I wish by picking and choosing which firmware to restore? Ask Question. Asked 8 years, 2 months ago. Active 2 years, 1 month ago. Viewed k times. But every time I try, I always receive this error: The iPhone could not be restored.
This device isn't eligible for the requested build. I have tried many times with and without DFU mode. Any ideas regarding this? Improve this question. Community Bot 1. Praveenkumar Praveenkumar 2 2 gold badges 8 8 silver badges 15 15 bronze badges. Browse All Mac Articles Do I need one? Browse All Android Articles Browse All Smart Home Articles Customize the Taskbar in Windows Browse All Microsoft Office Articles What Is svchost. Browse All Privacy and Security Articles Browse All Linux Articles Browse All Buying Guides.
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