First, the Android system
There are many ways to set the lock screen password for Android, such as digital password, pattern password and PIN code, etc. But in case you forget these passwords, there are two ways to unlock them.
A Google Account Unlocked
Premise: Before being locked the machine is set up and logged into Google account, the account password is known, and the phone can be networked.
Steps:
Randomly enter the password 5 times, the system prompts 5 times the input error, 30 seconds after the retry.
At this point the unlock screen will prompt "Forgot password", click on the previous set of Google account and password to unlock immediately.
(ii) Erase data unlock
Prerequisites: There are no restrictions, but it is best not to have important user data in the mobile phone.
Steps:
Power down and press the power button at the same time to enter the recovery.
Select English-Clear the data-clear the user data, reboot into the system, this operation only delete the user data, the application software is retained.
Second, the Apple system
Apple's crack method is relatively simple, only one: the DFU mode brush machine Unlocked
Steps:
Turn off the IPhone (shut down).
Connect your iPhone to your computer using a data cable, and open itunes.
Press and hold the IPhone's boot key.
When the Apple logo appears, do not release the power button and hold the home button on the iphone for about 10 seconds.
After waiting for the iPhone black screen, continue to hold down the home button, but release the power button until ITunes prompts "you have a device in recovery mode" and you can release the home button.
After completing the above steps, you enter the DFU mode. Use ITunes to import the firmware for system recovery.
When you resume, the "Confirm" dialog box pops up on itunes and clicks. Then, press and hold the Shift key of the keyboard and click "Recover" to open the dialog box with your mouse. Wait for the phone to automatically resume after the boot, the screen lock is lifted.
Easily unlock your phone's lock screen password! You are worth learning!