Used phone problems help?

You want to wipe ... from Recovery...

WIPE

1. data / factory reset

2. cache

3. In ADVANCED... wipe Dalvik

THEN FLASH your choice of custom ROM ;)
 
Baseband: ls670MVD_60401001
Version: ls670ZVD
Network: unknown
Build Number: Reborn Rom Version v2.2.2
Android Version: 2.2.2