What should I do if I forgot the restrictions passcode for iPhone4s? I don t want to jailbreak and I

Big brother, if you forget the access restriction password, you can only flash the machine, it looks like a jailbreak, and it's useless, you can only flash the machine, or use it first. There is no other solution.

It's a pity.

2. Then open the iTools tool, then find "File System" in the left menu bar, open Private Var Keychains in turn, you will see the file under the KeyChains folder, in order to prevent accidents, it is recommended to export it to the computer first, in case of problems, you can restore and restore in time. The backup method is to select the file, then click Export above to save it to your computer.

3. After backing up the file, delete it. Finally, turn off your iPhone4S and restart your phone. After restarting, you will find that the iPhone4S access restriction password prompt is gone, and you can enter the system successfully.

I haven't tried this, but according to the type, it should be canceled, because a setting that belongs to the mobile phone system is only backed up by the programs you added after use, information, **book, etc.。

Go to Settings - General - Access Restrictions, enter the password, and click "Disable Access Restrictions" (you must know the access restriction password for this method).

The device can be erased through the "Find My iPhone" feature to achieve the purpose of flashing.

You can use your computer iTunes to flash your computer by entering DFU recovery mode, and the steps to enter DFU are as follows:

1.Connect your iPhone to your computer when your iPhone is turned on. Press and hold the power off button for 4 seconds, and then, press and hold the power off button and the home button at the same time for 8-10 seconds (you can keep holding down for 4 seconds after the screen goes black); Finally, only press and hold the Home button for 15 seconds (usually 7 seconds, computer iTunes will prompt "An iPhone in recovery mode has been detected").

mode, the phone is black.

4.Wait for the prompt "Your iPhone has been restored, this window will close automatically after 10 seconds" Now the flashing operation is completed.

Next, follow the prompts on your phone to activate and you're ready to go.

Next: Find My iPhone Log in, then erase this iPhone in Find My iPhone, reactivate the Access Restrictions password is gone, pay attention to the data, it is best to back up to the network disk, do not use iTunes to restore, otherwise the Access Restrictions password will also be restored.

After flashing, the password is definitely gone. To flash 1 in DFU mode, please turn off your iPhone first, and then you will hear a prompt sound that the computer is not connected successfully.

2. Please press and hold the power button and the home button at the same time, and when it lasts until the 10th second, please release the switch button immediately and continue to hold the home button.

3. At this time, iTunes will automatically start and prompt you to resume mode (iPhone will keep a black screen all the time), then you can hold down the shift key on the keyboard, click "Restore", and select the corresponding firmware for recovery.

If you succeed, remember to adopt it

Solution 1: Flash.

1. Install iTunes on your computer, and open iTunes after installation.

2. Connect the iPhone to the computer with a data cable (the iPhone can be found, but the connection cannot be established);

3. Press the power button and home button of your iPhone at the same time until the software installation status of your iPhone appears.

4. Use the restore function in iTunes to re-initialize your iPhone (Note: the original data in your iPhone will be lost);

5. After passing the verification and software reinstallation, reactivate the iPhone.

Solution 2: Delete the password.

1. Install iTools in your computer, and open it after installation;

2. Connect your iPhone with iTools;

3. Find "File Management" and enter the private var keychains directory, and change the name of , such as or delete it directly. Then press and hold the power key until the red shutdown slider appears.

4. Turn off and start again.

Solution 3: Find Apple's local repair shop and let professional technicians help solve it.

Didn't you put lz how did you brush the machine after flashing the machine and still have the password? Are you not the point of update ?

If the update of the dot then the password is definitely still there. Click Restore before flashing. Not anymore.

Go to Settings - General - Access Restrictions, enter the password, and click "Disable Access Restrictions" (you must know the access restriction password for this method).

ID account and password, otherwise your mobile phone may not be activated after flashing the phone.

The device can be erased through the "Find My iPhone" feature to achieve the purpose of flashing.

It is possible to flash the computer by entering DFU recovery mode using your computer.

The following describes how to enter DFU and how to flash the device

1.Connect your iPhone to your computer when your iPhone is turned on. Press and hold the power off button for 4 seconds, and then, press and hold the power off button and the home button at the same time for 8-10 seconds (you can keep holding down for 4 seconds after the screen goes black); Finally, only press and hold the Home button for 15 seconds (usually 7 seconds, computer iTunes will prompt "An iPhone in recovery mode has been detected").

mode, the phone is black.

3.After entering the DFU state, iTunes checks that the iPhone is in a recovery state, you can see that there is a restore button, at this time you hold down the shift key of the keyboard, and then click the left mouse button "Restore".At this time, a window appears, after finding the path of the firmware, and then double-click on your **OK firmware, and finally iTunes will automatically recover (you can also directly click "Restore" but from the Apple server** firmware is very slow, not recommended).

4.Wait for the prompt "Your iPhone has been restored, this window will close automatically after 10 seconds".

Now the flashing operation is complete.

Next, follow the prompts on your phone to activate and you're ready to go.

Next: Find My iPhone

Log in and then.

Find My iPhone Erase This iPhone Re-Tease Pei New Activation.

The restriction password is gone.

Don't use iTunes to restore the wither.

Otherwise, the restriction password for accessing Yamaeda will also be restored.