[1]. - Insert memory card into your phone but don’t access it on your phone yet.
[2]. - Run FileExplorer on your phone and Open the path C:system.
[3]. - You will find a file called mmcstore, rename the file to mmcstore.txt
[4]. - Copy that file (mmcstore.txt) to your pc and open that file in notepad.
[5]. - You will find your password in that file maybe towards the end of it.
[6]. - Now use that password you saw on the notepad to unlock your microSD on your phone.