so I fixed this. I plugged the modem into a win box, connected to the serial port then
AT+ZCDRUN=E
this enters the modem into the download mode disabling the drives altogether. (AT+ZCDRUN=8 did NOT work for me)
this is being saved in the nvram.
plugged it back in, worked right away !
--
ugen0.2: <ZTE,Incorporated T-Mobile Rocket 4G> at usbus0
u3g0 on uhub0
u3g0: <ZTE,Incorporated T-Mobile Rocket 4G, class 0/0, rev 2.00/0.00, addr 30> on usbus0
u3g0: Found 3 ports.