You need two specific files from your Android device to proceed: Encrypted Database: Typically found at

Recovering messages from a specific date when the main WhatsApp backup failed.

Download a root-enabled file explorer (such as Solid Explorer or MiXplorer) on your phone. Grant the app root permissions when prompted.

wadecrypt ./key ./msgstore.db.crypt14 ./msgstore.db

# Decrypt using AES-GCM cipher = AES.new(key, AES.MODE_GCM, nonce=iv) plaintext = cipher.decrypt(ciphertext)

This article provides a comprehensive guide on how to fix WhatsApp decryption issues and successfully decrypt crypt14 databases, with or without rooting your phone. What is a crypt14 File and Why Do You Need to Decrypt It?

Once you have the key and the msgstore.db.crypt14 file, you need a viewer to display the chats.