Check the of the document where you saw this string. It is common for researchers to cite a specific build version of the software they used for data collection to ensure reproducibility.
Search for the hash directly on GitHub to see if it belongs to a repository for a "Decibel" app.
: Often used in academic papers for sound level logging. Spectroid : High-precision audio spectrum analyzer. Download Decibel 1b90106 apk
Could you clarify (e.g., a specific research paper title or a GitHub link)? This would help in tracing the exact file.
If the term "paper" refers to an academic or technical white paper: Check the of the document where you saw this string
If found, you can often download the source code or check the "Releases" tab for an APK. 2. Verify the Source of the "Paper"
If this is an open-source project (like a specialized decibel meter), the string 1b90106 would likely be found on platforms like or GitLab . : Often used in academic papers for sound level logging
unofficial APK mirror sites that claim to have this specific version, as they often bundle malware with obscure build strings to lure users.