adb backup -f viber_backup.ab -noapk com.viber.voip Once you have the .ab file, use a tool like Android Backup Extractor to convert it to a .tar file. Inside, navigate to: /apps/com.viber.voip/ef/
You will find files with names like xxxxxxxxxxxxxx.enc . These are encrypted voice notes . download viber voice message
Save as viber_decrypt.py and run: python viber_decrypt.py input.enc output.m4a | Method | Difficulty | Audio Quality | Legality | |--------|------------|---------------|----------| | Android (Root) | Hard | Lossless (original) | Gray area | | Android (Non-root) | Medium | Lossless | Gray area | | iOS Screen Record | Easy | Poor (recompressed) | Safe | | Viber Desktop Cache | Very Easy | Lossless | Gray area | adb backup -f viber_backup