hi, i tried to unlock a sony ericsson z520 with mt box,

and when i hit ???

recognises z520 cid 24,

when i select it,

and hit unlock, gives me an error

"maybe wrong model selected or need repair"


then i flashed with repair file db2010 cid24, but died,

then i downloaded z520AllInOne-r1ba013.mcu

and flashed with it, but when flashing fs gives me an error,

pictures attached,

please give me a solutions