GLOSSARY
What is SFA?
Published: 2026-08-25 · Updated: 2026-09-20
SFA is the official sing-box client for Android. Install it only from the Vinipuch download page: Google Play or the APK from the download page. The five letters SFI, SFA, SFW, SFM and SFL are platforms, not five free slots. The device limit is on the plan card. Third-party shells are not recommended.
Android: download SFA from the download page. Google Play or the APK from the download page.
In the client, create a Remote profile and paste the personal link from Connect in the bot or the cabinet.
Client letters do not raise the device limit. How many slots you have is on the plan card.