Use this method to hard reset your Samsung A177 phone: Enter *2767*3855#. Warning! All your data including contacts, messages etc. will be lost! Copy all your necessary data/Contacts/Messages etc. to SIM or make backup to your PC before full reset! Take out SIM card before full reset.
or from the phone menu:
Go to Menu by pressing the right soft key
Opt ‘Restore Phone’
To confirm ‘OK’, press the left soft key Enter the default password, then press ‘OK’
Confirm the password, then press ‘OK’
If you know the hard reset using buttons / keys, pls leave a comment. All comments are welcome! :)