This patcher, reported by msmobiles and mobilejoe, is a new utility which removes the Application lock for Smartphone 2002 devices before you copy and install a new ROM from your PC to the phone!!
The SmartPhoneROM Patcher, removes the application lock for development on Microsoft Smartphone 2002. The method appears to be generic and can be applied to all Smartphone 2002 ROM’s of any provider. Tested with Orange ROM 1.35, 1.5x and Mitac XXX
Source and more info can be found here.