hi friends my mmc was locked and i updated the software of my phone after that my phone denied to accept the mmc, it asks for the password which i dont know:( i also tried fexplorer but i cudnt find the file MMCSTORE. plzzz help me to resolve the issue. i have very important dat in this memory card....plzzz guys help meee

You should have made a backup before upgrading. Restore the backup if you have it and then search for mmcstore. If you don't have it, kiss your MMC goodbye.