Recover WhatsApp Data from Android Device

I need assistance recovering my WhatsApp data from my Android mobile device. The data needs to be mapped to my original WhatsApp contacts. Unfortunately, a WhatsApp database file was not created on my device, so alternative methods of recovery may be necessary.

Specifically, I need to recover:
- Messages
- Media files (photos, videos)

Ideal skills for this job include:
- Data recovery expertise, particularly with Android devices
- Knowledge of how to recover and map data to WhatsApp contacts
- Experience with local backup data retrieval
- Understanding of WhatsApp data structure and storage

Please note, I have previously backed up my data locally, but not to any cloud service.