Go to Settings > About Device > Tap Build Number seven times. Go back to System Settings > Developer Options > Enable USB Debugging .
The latest version (v6.1.0) is available from various third‑party download sites. The file is named Alcatel_Upgrade_Tool v6.1.0.zip and is approximately 35 MB in size. Always verify the file against checksums or download from the original source when possible. Alcatel 8085 Drivers