Deleted text sim card readers are just what this states it reads deleted messages on your sim card.

You do know that once you delete a text message, they are not gone forever.

What the Card Reader is meant for.

Lets say you accidently or by mistake deleted some prized text messages from cells inbox, outbox, sent items or drafts. This Sim Card Reader is capable of retrieving all phone numbers stored along with the corresponding contact names.

This sim card reader can unerase erased data.