If you have messed up your lockscreen and can;t unlock it anymore, try to do a hard reset, but keep in mind that hard resetting will wipe all your data and apps, so do it at your own risk. 1. turn off your device 2. reboot to recovery menu (by pressing and holding down the volume up, home key, and power button. Touch screen is disabled in recovery menu, use the volume up and down to navigate and home key to select) 3. choose wipe data and wipe cache 4. reboot device.
Read more: How do you know if someone blocked you off kik? - Not replying back and i ned to know nd yeh and yeh and yes