inIn ICS, persist.service.adb.enable=0persist.service.adb.enable=0
has been replaced by persist.sys.usb.config=mass_storagepersist.sys.usb.config=mass_storage
, so you if you want to eanble ADB, you can setprop persist.sys.usb.config=mass_storage,adbsetprop persist.sys.usb.config=mass_storage,adb