I forgot the password of the iPhone4 screen lock, how to backup and solve the problem 5

Step 1: Back up your data

1.It is recommended to back up the contents on the phone before restoring, because this method requires a new system recovery for the Apple phone, so the data on the original phone will be lost. If you don't have it installed on your computer, go to Apple's official website** and install it

<>3.Then please click the "Back Up Now" button in the window and back up the data on your phone according to the prompts, including contacts, text messages, **, etc.

Step 2: Restore the system for the iPhone

1.After the data backup is completed, please press and hold the power button of the Apple phone, and slide to power off when the shutdown option appears.

2.Next, follow the steps below to get your iPhone into recovery mode:

Press the power button to power on, the Apple logo will appear on the screen, do not release the power button;

Then press and hold the home button on the home screen until the screen goes black.

When the screen is black, please release the power button, continue to press and hold the home button on the home screen without releasing it;

When you successfully enter DFU recovery mode, you will see a Connect iTunes logo on the screen on your iPhone.

Note: If you can't enter recovery mode at one time, please try to do it a few more times.

<>5.At this point, iTunes will connect to the Internet, detect the latest firmware system for the current iPhone, and prompt you to delete all the data on the phone if you want to restore it. Click on the "Recover" button to proceed as shown in the image.

6.Then wait patiently for iTunes to automatically remove the firmware from the web** and restore the firmware system to your phone. When the restoration is complete, follow the prompts to activate your phone step by step.

This is not very clear,You can try to back up directly through the software,It doesn't seem that you need to unlock the phone,Direct backup,The backup is the address book,SMS and other basic things。

iTunes has backed it up, and this is not possible.

You can delete the files on your phone and forget it if you want the answer to find me.

I remember that you don't need to enter a password to back up with iTunes on your computer, and it will automatically back up after connecting to iTunes, and it will back up your contacts, text messages, **, etc.

【Solve the problem of forgetting iPhone boot passcode】What should I do if I forget my iPhone boot passcode? It only takes one simple step to solve this problem by emptying the iPhone passcode as well as the lock code. Use a connection tool such as ifunbox, delete the private var keychains file in the directory of your phone, and restart your iPhone.

Please**, maybe you will be able to use it in the future! PS: Jailbreak required.

What about not jailbreaking? The jailbreak method is known.

This is a tutorial I saved a long time ago, I haven't tried it, it's just a way, you can try!

I'm dizzy... Find a small mobile phone store and give him ten dollars and let him open it for you. If it doesn't work, let him brush it for you.

The easiest way. Connect iTunes. If you don't believe it, restore the machine.

The steps are as follows: 1. Please press the power button to turn on the computer, when the Apple logo will appear on the screen, do not release the power button.

2. Then press and hold the home button on the home screen until the screen goes black.

3. When you see a black screen, release the power button and continue to press and hold the home button on the home screen until iTunes on the computer detects an iPhone in recovery mode.

4. Then click the "Restore iPhone" button in the iTunes window.

5. Then iTunes will connect to Apple's update server, detect the latest iOS phone system, and prompt whether you want to delete all data on the phone and restore it, click the "Restore and Update" button to continue.

6. iTunes will then automatically restore the required iOS system from Apple's update server**, and when it is completed, it will automatically restore to your iPhone.

7. Finally, when the recovery is successful, reactivating the iPhone is equivalent to restoring the factory settings of the system, and you can set the boot password for the phone again.

You need to flash the machine to crack it, you need to flash the lower version, and you need to have a lower version of the shsh backup to flash it in.

If you don't have experience in flashing, don't brush it yourself, if you don't get it right, you will break the phone, if the phone has not passed the warranty period, go to the after-sales service to unlock it for free, if the warranty period has passed, go to the after-sales service to spend 10 yuan to unlock, or flash the phone.

It's hard to borrow because you don't have the tools.

The best way is to go to the mobile phone store to unlock, to unlock is usually about 30 yuan, the black spot store will ask you 50 yuan, but fortunately you can bargain, hehe, it's a waste of time here.

If you are in the ** merchant warranty go to the store where you buy a mobile phone for free solution.

Smartphone Player Alliance Team Tianya Devil Training Camp Answer.

Yes, if you flash the machine to unlock it, you won't spend 10 yuan to find someone to unlock it.

This, has your iPhone been backed up? If all the data has been backed up, just restore the exit data. The reason why you can't connect to the computer is because your phone is locked, and the default computer doesn't recognize it. If you don't know how to recover, ask me.

Connect your computer and use "iTunes" to restore factory settings.

3. Once the interface appears, release the Sleep and Home buttons. Look at your computer, and a dialog box option will appear on your computer, click OK.

6. After successful recovery, the phone will prompt you to reactivate the phone. Then activate the device according to the setup assistant and it's OK.

AISI assistant can solve the problem.

Method: 3Open the ifunbox management tool, if you can display your phone in the right interface, double-click your phone icon in the right border face;

4.Open the filesystem -private folder-var folder-keychains folder in turn;

5.Find the keychains folder, first copy a copy to the computer, make a backup (if the following steps are abnormal, and then put the backup to the computer in the original location), and then delete;

I'm having the same issue, but I typed it casually 123456 I got it right!

It's your boot password.,I also encountered it.,Tried n more boot passwords.,The result is the first boot password set up.。

Said I can't afford to use iphone4... You're really happy.

Initialize the phone, or flash it.