Android - Data Recovery - How to Restore Deleted / Formatted Files on HD Micro SD Card

Take a look at PhotoRec.

There are also similar question on Super User that may help:

  • Recover data from SD card
  • How do I recover files from an USB flash drive?

Here's the full list of Data Recovery Program links:

  • Easeus Pro
  • Data Recovery Tool a nice tool but it's not free
  • PhotoRec and TestDisk from CGSecurity
  • NTFS Undelete (works also with FAT32 unlike the name suggests)
  • WinHex
  • Active File Recovery
  • Scalpel