If you store important files on your SD card then here is something that might interest you. You can store all the important files and then forget the password. The USB SD/SDHC/MMC memory Unlock is a device that will help you unlock your SD / MMC card.
If you forget your password then just by putting your card into this device, you will be able to use the card again. Well but the sad part is that you will lose all the data contained on the card, which is as good as getting a new memory card that will set you back $16.
This portable device features 2 power sources that are USB Port or a 9V battery, USB 2.0 compatible, plug and play. There is no need to connect it to your PC. It’s just like a low level format to your hard disk. You can unlock various cards like SD/ Mini SD / Micro SDS (T-Flash), SDHC and MMC.
You have to connect the clip to battery or USB port. Then insert the locked memory card. The red Led starts blinking and the card is unlocked. A 9V battery is not included and it cannot retrieve or save your data. It is priced at $16.
where can i buy it