How to unlock the keyboard of Apple mobile phone when it is locked?

The solution of unlocking and locking the keyboard of Apple mobile phone;

1, download the latest version of ios firmware 2;

2. Turn off the phone and press and hold the power button and the HOME button 10 second;

3. Release the power button after 10 second, and press and hold the HOME button10 second;

4. release the home button and open itunes；;

5. When the mobile phone is prompted to enter the recovery mode successfully, click the recovery or press and hold the shift key on the keyboard and click the recovery button;

6. Select the corresponding firmware and perform the brush operation.