WHERE CAN GET Z200 / T 100 MCu file???

how to unlock Z200 with phone lock?
use USF 2 press unlock only unlock 1 sim.other sim still same problem...
thanks in advance...

z200 unlocking....after connecting phone press initsecblk a window will appear for imei do not change imei simply press ok after that ur phone will be unlocked......for mcu files get it from support website