Take back control of your calls on Android 12+.
PaSS (Prefixer and SIM Selector) is a privacy-first utility that automates your dialing. Stop the "Which SIM?" pop-up and prevent exposing your private number by mistake.
Key features:
• Smart Prefixing: Auto-add codes (like *31#) based on contacts or time.
• Intelligent Routing: Automatically select or redirect to the correct SIM.
• 100% Local: No servers, no data collection.
Try free for 30 days!
PaSS: Prefixer, SIM Selector & ScreenerSmart call prefixing & Dual SIM routing for Android privacyMar 2026