Realising that many users may have similar challenge of recovering data from a locked phone, we have brought you information with the help of http://www.androiddata-recovery.com on ways you can unlock your phone without losing valuable data. Here are the two major ways.
Unlock with Google account
To get into this process, you need to make sure that you set and signed up Google account before your phone was locked.
Step 1: Input any password and the device will alert you to the wrong password five times. Try it again after 30 seconds.
Step 2: Now, you will see “Forgotten the password” option. Input Google account and password and you can easily unlock your device.
Note: Your phone must be connected to the Internet before you can log into your Google account.
Read More at: http://punchng.com/recover-data-locked-android/