Hard Reset SAMSUNG D300

How to factory reset SAMSUNG D300? How to wipe all data in SAMSUNG D300? How to bypass screen lock in SAMSUNG D300? How to restore defaults in SAMSUNG D300?

The following tutorial shows all method of master reset SAMSUNG D300. Check out how to accomplish Hard Reset by hardware keys and Vendor settings. As a result your SAMSUNG D300 will be as new and your core will run faster.

  1. Device must be turned on.
  2. Use dialer to tap this code *2767*3855# and press green Call key.Hard Reset SAMSUNG D300
  3. Now it will restart itself.

Help! This doesn't work