This guide will show you a simple way on :
How to factory reset SAMSUNG Galaxy Nexus I9250m.
How to wipe all data in SAMSUNG Galaxy Nexus I9250m.
How to bypass screen lock in SAMSUNG Galaxy Nexus I9250m.
How to restore defaults in SAMSUNG Galaxy Nexus I9250m.
All method of master reset SAMSUNG Galaxy Nexus I9250m.
So Check out how to accomplish hard reset by hardware keys and through android settings. As a result your SAMSUNG Galaxy Nexus I9250m will be as new and your core will run faster.