If, and only if, you've backed up your profile and contacts to a Google account, you can do the following. If no you should take it to a service provider who can use a computer to back up that information to an SD card without actually unlocking your phone's password.
Reset the phone to factory settings to unlock the password. If you're more computer savvy you can try this:
What You Need:
=>A computer running a Linux distro or Windows+Cygwin
=>USB cable to connect your phone to the PC
How to install adb:
1. Open Terminal
sudo apt-get install android-tools-adb
3. Follow the instructions until everything is installed.
1. Connect you (turned on) Phone to the Computer via USB.
2. Open a terminal window.
4. Done...Now You Just Have To Reboot.
*If you see a pattern or gesture unlock just use any random pattern to unlock it should work.
You may also try:
Solution For Everyone Via Adb - SQL Command :
=>Type This Commands Separated In Your Terminal (CMD Prompt) :
update system set value=0 where name='lock_pattern_autolock';
update system set value=0 where name='lockscreen.lockedoutpermanently';
=>Now You Just Have To Reboot.
=>Type This Command In Your Terminal (CMD Prompt) :
adb shell rm /data/system/gesture.key
You can find more options here at XDA android developer's forum.
Android Guide Hacking And Bypassing Android Password Pattern Face PI