Some users want to downgrade iPhone 4 from iOS7 to iOS6, but Apple has closed its signing. Actually iPhone 4 with SHSH backup can be downgraded to any compatible firmware using 3uTools. But what should you do without SHSH backup? This tutorial can guide you to downgrade iPhone 4 to iOS6.1.3 without SHSH blobs.
Why iOS6.1.3? Because 3uTools Pro Flash supports iOS6.1.3 flash without SHSH blobs, and provides the “forced iOS downgrade”.
Mar 21, 2016 Downgrade iOS 9.x.x to iOS 8.4.1 Using OdysseusOTA 2.0 method. 3u is a software that allows you to record and organize your SHSH Blobs for all iDevices. It is possible to downgrade iOS 9 / 9.0.2 To iOS 8.4.1 and others lowers firmware Using OdysseusOTA 2.0. 3uTools is a flash iDevice software friendly user to let you save SHSH Blobs Using 3uTools. Apr 02, 2020 3. Click the older iOS version. Click Download. Connect the iPhone or iPad to the computer. Click the iPhone or iPad. Press Shift (PC) or Option (Mac) and select Restore iPhone. Select the IPSW file and click Open. Click Restore. Apr 21, 2018 To my understanding, the x86 architecture are easier to downgrade than x64 architecture. Supposedly, the iPad 4 is x86 architecture and, through jailbreaking you can downgrade to any compatible iOS version given to that device even if apple no longer signs it and/or you lost your SHSH blobs.
Please note that after the forced downgrade, you should use “3uTools tethered boot” to start your iPhone after it’s turned off.
Notes before downgrade:
Download the latest 3uTools; Part A: iOS downgrade Step 1. Connect your iPhone to PC, start 3uTools, click “Firmware” to download iOS6.1.3. After it’s downloaded, click “Flash Jailbreak→Pro Flash→Select firmware ” to import the firmware “iOS 6.1.3”. Click “Flash now”, ensure iPhone in DFU mode to begin flash. Mar 15, 2017 Once the firmware version is selected and the iPhone is in DFU mode, click the Flash button on the right. 3uTools should now begin flashing iOS 6.1.3 onto the iPhone 4. The tool will check for SHSH blobs 3 times before asking if you want to.
Part A: iOS downgrade
Step 1. Connect your iPhone to PC, start 3uTools, click “Firmware” to download iOS6.1.3.
Step 2. After it’s downloaded, click “Flash Jailbreak→Pro Flash→Select firmware ” to import the firmware “iOS 6.1.3”.
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Step 3. Click “Flash now”, ensure iPhone in DFU mode to begin flash. After it’s failed to query SHSH for three times, 3uTools will show you the reminder of forced downgrade. Just click “Yes”.
Step 4. Please wait till the iOS downgrade is finished.
Part B: Jailbreak and tethered boot
1. Currently your iPhone has been forcibly downgraded from iOS 7 to iOS 6.1.3 without SHSH blobs, but can’t boot still. Then jailbreak iPhone in DFU mode, click “Flash Jailbreak→Jailbreak→iOS4.x/5.x jailbreak”.
2. 3uTools will remind you that “Jailbreak is completed! The device is processing, please wait for another 3 to 8 minitues...”and at this moment your device will run a bunch of codes and pineapples.
3. Then your iPhone can’t boot still. Please click “Advanced→Tethered root” to start up iPhone with guidence.
4. Start up and activate iPhone. Then your iDevice will run iOS6.1.3.
Part C: Install plugin “Insomania pro”
Now you can use iPhone normally. If it becomes unbootable after the screen is locked, you’re supposed to install a plugin “Insomania pro” on Cydia.
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You may add apt.so, and download the plugin “insomnia pro”.
At this moment you can use your iphone normally, and you may use 3uTools“Tethered boot ” to start up iPhone after each shutdown.
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