What is the use of the iPhone restore feature

There are two iPhone recovery modes, one is DFU mode and the other is recovery mode.

DFU mode.

The full name of DFU is Development FirmwareUpgrade, which actually means the forced upgrade mode of iPhone firmware.

Recovery mode. The recovery mode is the one where the iTunes and cable icons will be displayed on the screen. The firmware used to restore your iPhone.

Recovery mode refers to the eradication of all data of iPhone and iPad, restore to the way it was when it just left the factory, you need to activate the device again to start using it, and all the data will be gone after restoration, and users can also get back the original data from the backup.

In addition, when upgrading from iOS 4 to iOS 5, it is likely that you will need to use the recovery mode to upgrade, and you cannot use the update to update directly.

When you choose to restore or update the system, you can do it without going through Apple's official servers, because it generally requires hundreds of MB of files, and the speed will be relatively slow. At this time, you can go to the firmware separately, and then select the file by installing the shift key and clicking on the restore or update (please install the command key on the Mac system, and then click on the restore or update). This saves a lot of time.

The restore function is to delete all the data settings stored in your iPhone (including**,**,Applications, etc.),After restoring,It is equivalent to an iPhone that has not been turned on and used,All settings are restored to factory settings!

There is no harm, as long as your ownData backupAll right.

Factory reset your phone.

A factory reset will reset the phone's settings and delete all system files, such as personalization, software, and call and SMS logs, so pay attention to backups, but not delete the SD card.

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About the possible hidden dangers of factory reset:

1. It is difficult to completely clear mobile phone information: for replacing old mobile phones, most people will choose to be in the second-hand market**. Before the old phone, most people will delete the content in the phone**, text messages, contacts, etc., and some will directly restore the phone to factory settings.

After learning about it, the reporter found that conventional deletion or even factory reset cannot completely delete the information on the mobile phone.

2. It can recover data theft information: When the user deletes the operation, the information in the storage medium is not actually erased, and the information is still retained in the storage space. In this case, the information can be easily restored by recovery software, and even a "factory reset" will not help.

First of all, open the "Settings" interface of the phone, click "Settings", then find "General", tap "General", swipe up with your finger, and find "Reset" to restore all Huaihong settings.

What this feature does is to restore all the settings of the phone to the original state, but it will not erase the existing data and ** on the phone, erase all the content and settings.

This function is a complete restoration, not only restoring all settings to the factory state, but also deleting all the existing data and software on the phone.

After using some features, it's like a new phone with nothing in it. Reset network settings. The function of this function is that when there is a problem with the network access of the mobile phone, such as not being able to access the Internet, the software cannot open the network, and cannot connect to wireless wifi, etc., you can use this function to restore the network settings of the mobile phone.

Network failures can usually be resolved. Restore the keyboard dictionary. What this feature does is to factory reset the phone's current keyboard settings.

For example, when there is a problem with the input method of the mobile phone, or there are some words that cannot be typed, etc., you can use this function to help us.

Reset the home screen layout. The function of this function is to restore the first screen of our mobile phone to the default layout of the mobile phone factory.

Restore location and privacy. What this feature does is to restore your phone's location and privacy settings to factory defaults. For example, we can use this feature to help us when some software doesn't use location information correctly, or when we need to reset all our privacy settings.

Method steps.

First of all, open the Settings in your iPhone, as shown below.

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After opening the settings page, click on General, as shown below.

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Then open it to enter the general page, as shown below.

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On the general page, scroll down to the end and you can see Restore, as shown below.

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Then click Restore to enter the restore page, you can restore all data, or erase all content settings, etc., as shown below.

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Restore any of them need to enter the phone secret to verify the identity, once all the data is restored, it cannot be recovered, please operate with caution, as shown below.

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Once you have opened your iPhone phone settings, tap on the general option. After pulling the phone interface to the lowest, you can see the restore option, and you can restore the phone after clicking it.

Go to System Settings - General Settings Bottom - Reset Settings - Reset Settings Network, etc.

iPhone into the phone settings, then open the general, drag to the bottom to see the restore, tap and enter the ID password.

1.First of all, open the Settings in your iPhone, 2After opening the settings page, click on General, 3Then open to enter the general page, 4On the general page, scroll down to the end and you can see Restore,

Restore factory settings directly, or clear user data at boot time. But before doing so, the personal data must first be protected, or copied.

Summary. Hello dear<>

I'm asking the head of the Q&A, the Apple phone restores all the settings, and it will erase all the settings of the phone. The specific restoration method is: open the phone's settings, general, restore, reset all settings, enter the lock screen password, confirm the restore, and then you can restore all the settings of the phone.

Reset all settings can only restore the phone's settings, it will not erase the content on the phone, you can click on it with or without jailbroken phone, but if it is to erase all content and settings, jailbroken phones can't do this.

What happens if your iPhone restores all settings.

Hello dear<>

I'm asking the head of the Q&A, the Apple phone restores all the settings, and it will erase all the settings of the phone. The specific restoration method is: open the phone's settings, general, restore, reset all settings, enter the lock screen password, confirm the restore, and then you can restore all the key wheel settings of the phone.

Restoring all settings can only restore the phone's settings, and will not erase the content on the phone, whether there is a jailbroken phone or not, you can click on it, but if you erase the content and settings that accompany the smile, the jailbroken phone cannot do this.