How to upgrade iOS 7.x.x to 8.1.2 / How to downgrade iOS 8.1.3 to 8.1.2

 

You can downgrade iOS 8.1.3 to iOS 8.1.2 by reading this tutorial. tell me if it works or not!

Today, i will teach you on how to upgrade your iDevice from iOS 7.1.x to iOS 8.1.2. I had successfully upgraded and restored/reseted my iPad 2 (WiFi-only) from iOS 7.1.1 to iOS 8.1.2 without any problem. I did jailbroke my iPad 2 using TaiG. I got failed for the first time so i rebooted my computer and my iPad 2 and start jailbreaking again and it did successfully

How to Downgrade iTunes 12.1 to 12.0.1

So if you want to jailbreak your iDevice that is running iOS 8.1.2, you need to downgrade iTunes 12.1 to iTunes 12.0.1 because restores to iOS 8.1.2 using iTunes 12.1 do not work. Seeing as how the signing window for iOS 8.1.2 is bound to shut down in a few days, I do not see Apple updating iTunes 12.1 to make restores iOS 8.1.2 work either.

Note: Be sure to actually check that you have iTunes 12.1 installed. On Windows, you can check from Help > About.

Step #1:Open your Computer or Control panel and open Program Features

Step #2:Uninstall ALL Apple Inc. softwares expect QuickTime 7

Step #3: If you are on Windows, go to

C:\Users\<your name>\Music\

Mac users, go to

~/Music/

  

BACKUP all music, apps, movies and Delete the iTunes folder from Music

Step #4: Clean up your computer using CCleaner for Windows or AppCleaner for Mac

CCleaner for windows ► https://www.piriform.com/ccleaner/download

AppCleaner for Mac ► http://www.freemacsoft.net/appcleaner/

Watch this video on how to use AppCleaner for Mac OS X: ► https://www.youtube.com/watch?v=pQ8ds_FxOKo

 

Step #5: After you cleaned up your computer, REBOOT your computer

Step #6: Download iTunes 12.0.1 for Windows and Mac

Mac (OSX) ► https://secure-appldnld.apple.com/iTunes12/031-08057.20141016.NewRe/iTunes12.0.1.dmg

Windows (32-bit) ► https://secure-appldnld.apple.com/iTunes12/031-08058.20141016.34epp/iTunesSetup.exe

Windows (64-bit) ► https://secure-appldnld.apple.com/iTunes12/031-08059.20141016.FrPFF/iTunes64Setup.exe

Step #7: After installation, reboot your computer one more time

How to Select & Restore Custom IPSW Using iTunes on Windows & Mac?

For seasoned jailbreakers or Apple users in general, browsing for a particular IPSW is a task that basically comes as a second nature. Custom IPSWs are used to effectively preserve baseband along with other features that you simply can't acquire from a default IPSW file. Being able to select IPSW files is also important when using jailbreak tools. But there are still users that doesn't know how to select custom IPSW files on iTunes. For the benefit of all newbies, below is the command on how to Select & Restore Custom IPSW Using iTunes:

Step #1: Download iOS 8.1.2 IPSW files for all devices

Make sure to download correct firmware for your device, otherwise you will get "not supported firmware" error

iOS 8.1.2 Download Links:

·         iPad Air 2 (6th generation WiF)

·         iPad Air 2 (6th generation Cellular)

·         iPad Air (5th generation WiFi + Cellular)

·         iPad Air (5th generation WiFi)

·         iPad Air (5th generation CDMA)

·         iPad (4th generation CDMA)

·         iPad (4th generation GSM)

·         iPad (4th generation WiFi)

·         iPad mini (CDMA)

·         iPad mini (GSM)

·         iPad mini (WiFi)

·         iPad mini 2 (WiFi + Cellular)

·         iPad mini 2 (WiFi)

·         iPad mini 2 (CDMA)

·         iPad mini 3 (China)

·         iPad mini 3 (WiFi)

·         iPad mini 3 (Cellular)

·         iPad 3 Wi-Fi (3rd generation)

·         iPad 3 Wi-Fi + Cellular (GSM)

·         iPad 3 Wi-Fi + Cellular (CDMA)

·         iPad 2 Wi-Fi (Rev A)

·         iPad 2 Wi-Fi (100% tested and works fine) (10 feb 2015)

·         iPad 2 Wi-Fi + 3G (GSM)

·         iPad 2 Wi-Fi + 3G (CDMA)

·         iPhone 5 (CDMA)

·         iPhone 5 (GSM)

·         iPhone 5c (CDMA)

·         iPhone 5c (GSM)

·         iPhone 5s (CDMA)

·         iPhone 5s (GSM)

·         iPhone 6

·         iPhone 6 Plus

·         iPhone 4s

·         iPod touch (5th generation)

Step #2: Connect your iDevice to your computer

Step #3: Open iTunes and click on the device icon next to 3 dotted icon

Step #4: IMPORTANT! Backup your whole iDevice to your iCloud or to your Computer

Step #5: Now restore your device with iOS 8.1.2

Windows:SHIFT+Click on Restore
Mac:Alt/Option+Click on Restore

Step #6: Go to the location where you located IPSW file and select the IPSW file

Step #7: The iTunes will delete your iDevice and restore your iDevice to iOS 8.1.2 and will verify the restore with Apple. Just click Restore

Now the iTunes will extract the IPSW file and restoring your iDevice. If your device reboot without any errors, you are all good. Now enjoy iOS 8.1.2.

Setup your device

After restore, i recommended you to setup your iDevce as brand new iDevice. Restoring the backup from iTunes can make some problems with the OS or jailbreaking so better setup as brand new iDevice.

How to jailbreak iOS 8.1.2 with TaiG

TaiG has released version 1.2 of its iOS 8 jailbreak tool, and it’s now capable of jailbreaking iOS 8.1.2. As has been the norm with the past few jailbreak releases, this is a Windows only jailbreak tool. If you’re running Windows, you can follow our step-by-step tutorial. If you’re on a Mac, you can use our virtual machine tutorial to run Windows on OS X and jailbreak.

Note: Your Windows machine must have iTunes installed before it will recognize your iOS device. Reboot your computer and your device before jailbreak your device

Step 2: Connect your iOS device to your Windows machine, and disable passcode lock and Find My iPhone

Step 3: Download the TaiG 1.2 tool from the download page, extract it and run it

Step 4: The TaiG tool should automatically detect your iOS device. Once it does, uncheck the 3K Assistant app install option, and click the green Start button

Step  5: Wait until the jailbreak completes and close the TaiG tool when prompted

If you got jailbreak failed (error code 1004), don't worry your deivce is still half-jailbroken. reboot your computer again and re-jailbreak your device.

Step 6: Launch Cydia on your iOS device and enjoy your newly jailbroken iOS 8.1.2 install

Be sure to watch the video for the full step-by-step tutorial. Again, if you don’t own a Windows machine, you can always follow our virtual machine tutorial to run Windows on your Mac just for the jailbreak. It’s completely free and only takes about 3-5 minutes from start to finish.

Have you jailbroken iOS 8.1.2 yet?

Thank you for reading the article How to upgrade iOS 7.x.x to 8.1.2 / How to downgrade iOS 8.1.3 to 8.1.2 . If you want to copy and paste this article, please include the link https://shieldcheat.blogspot.com/2015/02/how-to-upgrade-ios-7xx-to-812-how-to.html Thank you for your attention.

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