If you have version 1.5.0 and want to update to version 2.3.0:
It sounds like you're looking for (such as the Motorola Waris family: HT750, HT1250, HT1550, CDM750, CDM1250, CDM1550, etc.). us waris codeplug tool software download upd
The tool—often found as the "Unofficial Lab Upgrade Kit"—is used for tasks that go beyond standard maintenance: If you have version 1