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List of Contents of this article:

• 1,UEFA Champions LeagueHow to restore factory settings for iPhone8
• 2, How to restore the original system of iPhone?
• 3, Notes for iPhone system downgrade recovery

How to restore the factory settings of iPhone8

First, open the [Settings] gear on the iPhone8 mobile phone interface. Then find the [General] option on the setting page and enter it.

How to restore the factory settings of iphone8 to enter the desktop of the iPhone, click the [Settings] icon to enter. Slide the mobile phone screen, and you can see the [General] option on the setting interface. Click it. Slide the screen to the bottom with your finger, and then click [Restore]. Then select the first item [Restore All Settings].

To restore the factory settings of the iPhone, you need to open the mobile phone and click the settings first, then slide down to find the general option and click to enter the general interface, find the restore and click to enter, and thenClick to erase all content and settings, finally enter the mobile phone password, and click to erase iPhone.

Method one, use the iCloud search function: make sure that you have logged in to your iCloud account and turned on the iCloud search function; in "All Devices" at the top of the page, select the device you want to restore to the factory settings; click "Erase iPhone", and then root Just follow the prompts to operate.

How to restore the original system of iPhone?

1. First of all, we can try to press the "Home button and the power button" of the iPhone at the same time until the screen is black. Then we press the power button to turn it on to see if we can enter the system and the main screen normally.

2. Enter Apple's official website to download iTunes. Open iTunes. Connect the computer and the mobile phone to restore the original system. iTunes will recognize the connected iPhone. After the recognition is completed, a small mobile phone logo will appear on the interface of iTunes. Click to enter the logo.

3. IPHONE restore system Enter the main interface of the mobile phone, select "Settings" to enter the setting interface, select "General" to enter the general setting interface, slide the screen to the bottom, select "Restore" to enter the restore interface. After you can see different restore methods and choose according to your needs.

4. The way to restore the old iPhone system is as follows: download iOS 4 firmware. After installing the iTunes software, download the ios 4 firmware. Then turn off the mobile phone, connect the mobile phone to the computer with a data cable, and open the iTunes software installed on the computer. After the mobile phone is turned off, press and hold the volume down button and the power button of the mobile phone at the same time.

5. First of all, we need to enter the main interface of the iPhone, where we need to select the [Settings] option.After that, we open the setting interface and select the [General] option. After that, we choose to enter the general setting interface, pull down the screen to the bottom, and then select the [Restore] option.

Notes on iPhone system downgrade recovery

1. After restoring the factory settings, the system will not be downgraded after restoring the factory settings. After restoring the iPhone factory settings, the system will not be downgraded. During the trial period, the iPhone can be downgraded. Every time the system is updated, there will be a trial period, generally one to two weeks. It is okay to downgrade after upgrading during the trial period, but not after the trial period.

2. Step 1: Download the corresponding version of the firmware file. Before downgrading the iPhone firmware, you need to download the corresponding version of the firmware file. You can search for the corresponding firmware version on the Internet and then download it to your computer.Step 2: Backup data. Before downgrading the iPhone firmware, you need to back up important data to avoid data loss.

3. Open the settings on the mobile phone. Click General in the settings. Click to transfer or restore iPhone in the general interface. Then click Restore to restore the mobile phone to factory settings, reactivate the mobile phone, and the system will restore the original system version.

4. Pay attention to backup data before upgrading. The iOS upgrade will retain the user data in the original system, but the downgrade operation will cause all the data in the mobile phone to be emptied. Therefore, before upgrading and downgrading, you should pay attention to backing up the data in the mobile phone. If you need to downgrade, you should confirm the system firmware corresponding to the device.

5. Connect the iPhone to the computer and open the iTunes app.Press and hold the "Power" and "Home" keys of the iPhone until the prompt "ConnecttoiTunes" appears. Release the "Power" key and continue to hold down the "Home" key until the "Recovery Mode" prompt appears.