Welcome to the Callfilter.app Help Center. Here you’ll find step-by-step guides to set up your phone so Callfilter.app can work reliably in the background (battery optimization, autostart, background restrictions, and system “cleaners”).
Use the navigation or search by:
If you already know your brand and version, you can also open a direct link like:
/en/xiaomi/
If you can’t find your device or the steps look different on your phone, contact support and include:
Support: info@callfilter.app