sony-xperia-hard-reset -mt11i-1000000-tested

hard reset sony xperia mt11i 100%
just do that

1000000 % tested by me

1 off your mobile
2 hold fst n last home key (under screen) and power key
3 click on emergency call
4 typ *#*#7378423#*#*
5 click on coustomige seting
6 rest coustnzn