Crack the passwor of micro sd

Hello sir,




i have a micro sd card for my phone 2700 and its password protected and i forgot password i cant open it from my phone or from my computer. My computer wont recognize it because its password protected. I have tried to many other phones for open it but its not opening it shows (enter password) then i have tried to formate it but as the same (enter password) and tell me where will i find C:\system on my 2700 phone so any1 PLEASE HELP ME...!!!!