How to downgrade iPhone 12

1 Downgrading is risky. Remember to back up before downgrading! If you have not backed up your data before upgrading the iOS12 system, it is not recommended to downgrade. Due to the large system span, text messages and other information may be lost during the downgrade process. If the content of your text messages is important, it is recommended to be patient, because the official version will be upgraded soon. .

2 If the synchronization assistant is not installed on your computer, you must first download a "synchronization assistant" from the official website of the synchronization assistant and install it on the computer.

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3 Open the synchronization assistant, connect the phone to the computer with a data cable, click on the "Jailbreak" in the upper menu, the system will automatically detect the firmware after entering. Downloadable firmware is provided, click on the 11.4 version firmware to download.

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4 Open Itunes, click the device logo to enter the device summary. Click "Backup Now" to back up your iOS12 data to prevent data loss after downgrading!

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5 After the firmware is downloaded, select "shift update" to select the just downloaded firmware! Generally, other data will not be lost, except text messages!

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6 Next, Itunes will automatically install the firmware, you just need to wait patiently!

Note: Do not disconnect the mobile phone data cable and shut down the computer during the upgrade process, otherwise the upgrade will fail or data will be lost!

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