Android WhatsApp Chat Recovery

I accidentally wiped an entire WhatsApp conversation with a person from my Android phone and, to make matters harder, we have a backup but the chat was deleted by us so the backup also does not have any chat from that person. I also have not reinstalled the app yet because I want to avoid overwriting any residual data that might still be recoverable.

What I need is a specialist who can safely extract or rebuild the deleted chat history from the device’s storage. Whether that involves forensic-style data carving, use of ADB, root-level tools, or other proven Android recovery software is up to you—as long as the approach keeps the phone usable and preserves any remaining data fragments.

Deliverables should include:
• The recovered chat thread, either restored directly inside WhatsApp or exported in a readable format (txt, HTML, or similar)
• Clear, step-by-step notes so I can follow or repeat the process if needed
• Confirmation that no further messages are lost in the process

If you have handled Android recoveries where no conventional backup existed, please let me know how you plan to proceed and the expected success rate. I am ready to start as soon as we confirm the safest workflow.