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How to downgrade iOS 15 to iOS 14 without losing data


Wednesday, September 29, 2021 08:05 AM (GMT+7)

At the “California Streaming” event at dawn on September 15 (Vietnam time), Apple officially launched the iOS 15 RC (Release Candidate) version with many notable features.

iOS 15 RC (Release Candidate) or GM (Golden Master) can be seen as the official version, improving performance and fixing most of the previous outstanding bugs.

It is expected that ordinary users can upgrade to iOS 15 from September 20, however, if you want to experience the new features first, readers can refer to the article How to install iOS 15 without an account. Developers.

After upgrading, if you feel that your iPhone is running slow or unsuitable, you can downgrade from iOS 15 to iOS 14 without worrying about data loss. Note, this requires users to have a backup available before upgrading to iOS 15.

How to downgrade iOS 15 to iOS 14 without losing data

1. Download the corresponding installation file

First, open a browser on your computer and visit https://ipsw.me/, then select iPhone and download the installation file corresponding to the device you are using. Note, you can only downgrade iPhone to the versions that Apple allows (green).

Download the installation file corresponding to the iPhone you are using. Photo: MINH HOANG

2. Turn off Find my iPhone on iPhone

To turn off the Find my iPhone feature, go to Settings (settings) – Username – Find my (find) – Find my iPhone (find iPhone), then disable the Find my iPhone option (find iPhone). Enter your Apple ID password when prompted.

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Turn off Find my iPhone before downgrading. Photo: MINH HOANG

3. Downgrade iOS 15 to iOS 14 without data loss

Once you have completed the above steps, connect your iPhone to the computer (Windows/macOS) using the corresponding USB cable. Note, to minimize possible risks, you should use the original cable that came with your iPhone or a third-party cable that is Apple’s MFi certified.

Next, open iTunes (Windows) or Finder (macOS 10.15 or later), click the iPhone icon in the upper left corner, tap Trust and enter the passcode when prompted.

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Open iTunes and click trust device. Photo: MINH HOANG

Now users just need to hold down the left Shift key (Windows) or the left Option key (macOS) and click the Restore iPhone button.

In the new window that appears, users just need to find the installation file (IPSW) that was returned earlier and select Open. This process may take about 30 minutes, during this time, you should not unplug the connection cable and power on the iPhone during the process.

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Locate the previously downloaded IPSW file. Photo: MINH HOANG

Once done, you can start the setup steps and select Restore from iTunes backup or Restore from iCloud backup to restore the data.

Source: https://kynguyenso.plo.vn/ky-nguyen-so/tuyet-chieu/cach-ha-cap-ios-15-ve-ios-14-khong-mat-du-lie…

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