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I accidentally upgraded my iPhone 4 on 5.1 and now I can't test on Xcode 4.2 on my snow leopard. I don't want to upgrade to lion to download xcode 4.3 because I heart many people that said it slowed down their macs and had other several problems. Is there a way to downgrade from iOS 5.1 to iOS 5.0 and be able to test again my applications on xcode 4.2 on my snow leopard? I'd be grateful if someone helps thanks.
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Connect iOS device to computer via USB cable > Choose 1 click to downgrade iOS/iPadOS > Tap on Start Now button. Step 3. Next, select an older firmware version to Download > Tap on the Downgrade button to continue. Step 4.
Restore your iPhone to downgrade from iOS 16 beta to iOS 15 Select Restore. If you're not prompted to restore, you may need to open Finder on a Mac or iTunes on Windows to select your device and then click Restore. Your computer will then download and install the latest version of iOS 15 (currently iOS 15.6.
This means that it is technically possible to downgrade iOS to the previous version, but only for a very short window of time. You can do this using the IPSW file and Recovery Mode with a Mac or PC for as long as Apple is still signing the software. It's not possible to do this on the device directly.
Xcode 4.2 can be made to work with iOS 5.1 devices.
Download Xcode 4.3 from here. Copy the 5.1 SDK and Device Support folders from the 4.3 installer into your Xcode 4.2 folder.
The former goes into Platforms/iPhoneOS.platform/Developer/SDKs and the latter into Platforms/iPhoneOS.platform/DeviceSupport
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