In OB44 season, thousands of players lost their accounts after falling for ffadvance-ff.com . The stolen accounts were used to send spam in guild chats.
The official and most reliable gateway to this testing environment is the URL mentioned above. It is critical for players to understand that this specific domain (or its seasonal variants like ffadvance.ff.garena.com ) is the for downloading the Advance Server APK (Android application package). Third-party websites promising Advance Server access are often scams or sources of malware.