Samsung B7330 Omnia PRO hard reset
With the phone B7330 powered off, press and hold the 5 (F) key + press power to turn on the phone .
Select in format menu :
for Master Clear: key 1 (e), then (Y)es
for Master reset: key 2 (r), then (Y)es
Use this method to hard reset your Samsung B7330 Omnia PRO 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.
Select Menu > Settings > Security > Master Clear: reset settings to their factory defaults
Samsung B7330 Soft reset to restart your phone
1. Remove the battery cover.
2. Remove the battery then reinsert it.
3. Replace the battery cover.