Delete All Contacts

[nsf]

Does anyone know how I can delete ALL contacts in one go from my 650?

[kabeyun]

No problem.

1. Download and install Filez.
2. Launch Filez, tap "View and Edit Files."
3. Tap the triangle next to "Internal"
4. Tap AddressDB, scroll down and tap ContactsDB-PAdd (checkmarks will appear next to each).
5. Go to menu -> Item -> Delete... and delete these two items.

Done.

-K

P.S. You may want to consider a backup first.