Samsung R900 Craft hard reset
The Reset Phone option returns all settings on your phone (except
for Contacts entries) to their factory default values.
Settings > Phone settings > Security > Reset phone
To access the Security sub-menu, you are prompted to enter your
phone’s four-digit lock code. The default lock code is the last four digits of your mobile phone number.
To soft reset your Samsung R900 phone simply take out the battery and reinsert it
Use this method to hard reset your Samsung R900 Craft 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.
If you know the hard reset using buttons / keys, pls leave a comment. All comments are welcome! :)