Hard Reset SAMSUNG E640

How to factory reset SAMSUNG E640? How to wipe all data in SAMSUNG E640? How to bypass screen lock in SAMSUNG E640? How to restore defaults in SAMSUNG E640?

The following tutorial shows all method of master reset SAMSUNG E640. Check out how to accomplish Hard Reset by hardware keys and Vendor settings. As a result your SAMSUNG E640 will be as new and your core will run faster.

  1. Cell phone must be on.
  2. Dial *2767*3855# this code.
  3. Device should restart itself after that reset should be done.

Help! This doesn't work