Samsung Galaxy Wonder I8150 correct way for Hard Reset Problem: Too many pattern attempts.
PROCEDURES:
* PRESS AND HOLD "VOLUME UP" AND "HOME" BUTTONS AND PRESS POWER ON, WAIT UNTIL THE SCREEN DISPLAY LIKE THIS.
* Press "left soft" key to display "Android System Recovery Utilities"
* Select "wipe data/factory reset" by pressing "volume down" key
* Press "Home" button to select.
* Press "Volume Dow" key to select "Yes"
* Press "Home" button again and wait until finished
* Press "Volume Dow" key to select "Yes"
* Press "Home" button again and wait until finished