Supply chain data

List of the table of contents of this article:

• 1,Supply chain data How to upgrade the iPhone system to the previous version?
• 2, Apple 6 restores the old system version
• 3, How to restore the old Apple system
• 4, How to upgrade the new system of Apple's old system
• 5, How to return the iPhone to the previous system

How to upgrade the iPhone system to the previous version?

First, unlock Apple 8 and open the settings in ios14. Then on the open settings page, click General, as shown in the figure below. Then, in the open general page, click Restore as shown in the figure below. Then on the open page, click Restore All Settings, as shown in the figure below.

Method 1: Upgrade directly on the iOS device, open the mobile phone, find the setting item on the mobile phone desktop, click to enter the setting interface, find the general column, and click to enter. AFTER ENTERING THE GENERAL, FIND THE SOFTWARE UPDATE ITEM AND CLICK ENTER. AFTER ENTERING THE SOFTWARE UPDATE, YOU CAN SEE THE LATEST IOS VERSION. CLICK ENTER.

First of all, before the iPhone is downgraded to the old version of the system, please open the address ipsw.me below and click the iPhone option on the page.

Apple 6 restores the old system version

Take the iOS1 system as an example, Apple 6 cannot restore the old system, because the current ios system does not support version degradation, and can only upgrade mobile phones.The design of iPhone6 was designed by designer CsabaNagy, and in his eyes, the iPhone6 should be approached in a transparent direction.

If you want to enter the current machine that can enter the system normally and can be used normally and put it into recovery mode, first press and hold the power button on the right side of iPhone6, as shown in the figure.

First of all, you need to back up the data. Before downgrading the operating system, be sure to back up the data in the mobile phone to avoid data loss during operation. It can be backed up through iTunes or iCloud. Secondly, download the corresponding iOS firmware. Search for the corresponding iOS firmware version on the Internet and download it to your computer.

Connect the mobile phone to the computer;Open iTunes; click "Restore" and wait for the mobile phone to automatically respond; you can achieve the purpose of downgrading the system. Method 2: DFU mode recovery.

How to restore the old Apple system

1. First of all, before the iPhone is downgraded to the old version of the system, please open the address ipsw.me below and click the iPhone option on the page. After that, open the option to downgrade the device on the page.

2. How to restore Apple devices to factory settings: operate directly on the mobile phone. Open the "Settings" of the mobile phone, find "General" and select "Restore".

3. Two options "Restore" and "Update", hold down the Shift key on the computer keyboard and click "Restore".After holding down Shift and clicking "Restore", find the previously downloaded ios firmware system and then click "Open". After clicking "Restore", you can successfully restore Apple 6s to the previous version.

4. How to restore iphone to the previous system: preparation tools: brand model: iPhone1 system version: ios1 software version: settings. Enter the main interface of the mobile phone and select [Settings]. Enter the setting interface and select [General].

5. First, unlock Apple 8 and open the settings in ios14. Then on the open settings page, click General, as shown in the figure below. Then, in the open general page, click Restore as shown in the figure below. Then on the open page, click Restore All Settings, as shown in the figure below.

6. Due to the excessive requirements of the upgraded new system of the iPhone for mobile phone hardware, some mobile phones may be stuck and run smoothly, so users who encounter this situation want to downgrade the system. So what should we do? In this regard, the following article will share with you the method of returning the previous version of the Apple system.

How to upgrade the old Apple system to the new system

1. Open the App Store of the Apple computer, click Launchpad on the dock bar, find the App Store to open Find the updated version of the system and click to download it. Generally, you can see it in a prominent place in the appstore.

2. Open the mobile phone, find the "Settings" item on the mobile phone desktop, and then click it. After entering the setting interface, find the "General" column and click it. After entering the general, find the "Software Update" item and click it.

3. Click on mobile phone settings - general; click general - software update; it will automatically detect whether it is the latest version. If not, there will be a prompt to download. Follow the steps to download and complete the installation. Apple iOS is a handheld operating system developed by Apple.

How to return the iPhone to the previous system

Enter the mobile phone desktop and click the settings, as shown in the figure. Enter the interface and click General, as shown in the figure. Enter the interface and click Restore to downgrade to the original version, as shown in the figure.

The iPhone cannot be restored to the original system. The IOS system can only be upgraded, not downgraded. The restoration is set inside and has nothing to do with the system. IOS is a mobile operating system developed by Apple. IOS, like Apple's macOS operating system, is a Unix-like commercial operating system.

Click General to open the mobile phone, click Settings, and then click "General".Click Restore iPhone to enter the general page, and click "Transfer or Restore iPhone". Click Erase Content and Settings to enter the transfer or restore iPhone page, and click "Erase All Content and Settings".

Because the upgraded new system of the iPhone has too high requirements for mobile phone hardware, some mobile phones may be stuck and run smoothly, so users who encounter this situation want to downgrade the system. So what should we do? In this regard, the following article will share with you the method of returning the previous version of the Apple system.