(For rooted devices only!) GT Contact Recovery can restore your deleted contacts from your internal phone database and restore them in the original Contact thread, without any prior backup, no PC needed. Whether you accidentally deleted a contact, or even restore your phone to the factory default settings, GT will help you rescue your contacts effectively.
Disclaimer: Due to the many operation systems, device types, and time of deletion, this app cannot guarantee the recovery of your contacts.
If you need to recover more types of data, try GT Recovery!
We are always looking to hear of ways to make our software better, and if you have any suggestions or questions about the software, we are here to listen and help!