iphone6 ios9.02怎么降级

1. Introduction Have you recently updated your iPhone 6 to iOS 9.02 but are not quite satisfied with its performance? Or maybe you want to jailbreak your device, but the latest version of iOS is not compatible? In either case, you may need to downgrade your iPhone 6 to a lower version of iOS. In this article, we will provide you with a step-by-step guide on how to easily and safely downgrade your iPhone 6 from iOS 9.02 to an earlier version. 2. Preparing your iPhone 6 for Downgrade Before beginning the downgrade process, there are a few things that you need to do to ensure everything goes smoothly. Here are the steps you should follow: Step 1: Backup your iPhone 6 The first step is to create a backup of your iPhone 6 in case anything goes wrong during the downgrade process. You can do this via iTunes or iCloud. Step 2: Download the firmware You need to download the firmware for the version of iOS you want to downgrade to. Make sure it is the correct version for your device, otherwise it will not work. You can find firmware files from reputable sources such as IPSW Downloads. Step 3: Disable “Find My iPhone” Make sure to disable Find My iPhone on your device before starting the downgrade process. This can be done by going to Settings > iCloud > Find My iPhone and toggling it off. 3. Downgrading your iPhone 6 from iOS 9.02 Now that you have prepared your device for downgrade, it is time to proceed with the actual process. Here are the steps you should follow: Step 1: Put your iPhone 6 into DFU mode Connect your iPhone 6 to your computer and open iTunes. Next, turn off your device and put it into DFU mode by holding down both the Power and Home buttons for 10 seconds, then releasing the Power button but continuing to hold the Home button for another 10 seconds. Step 2: Select the firmware and begin the downgrade Once your device is in DFU mode, iTunes should display a message saying it has detected a device in Recovery Mode. Click on the “Restore iPhone” button while holding down the Option (Mac) or Shift (Windows) key. This will open a file browser where you can select the firmware file you downloaded earlier. Select it and click “Open” to start the downgrade process. Step 3: Wait for the downgrade to complete The downgrade process can take some time, so be patient and do not interrupt the process. Once it is completed, your iPhone 6 will restart and you will be taken through the setup process. You can then restore your backup, including all your apps, settings, and personal data, from iTunes or iCloud. Conclusion In this article, we have provided you with a step-by-step guide on how to downgrade your iPhone 6 from iOS 9.02 to an earlier version. Remember to backup your device before beginning the downgrade process, disable Find My iPhone, and download the correct firmware file for your device. The entire process can take some time, so be patient and do not interrupt it. Once completed, you should have a working iPhone running the version of iOS you prefer.

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