Technical Analysis & Behavior
Package Analysis for 'com.sec.android.app.wlantest' (Oem / Recommended Debloat Target): wlan test Hidden test app responding to the #232339*# and *#232338*# secret codes FYI : wlan = wireless LAN ( NOTE: Disabling this test will rise the exclamation mark on the WI-Fi icon and will show the message "Unable to connect to the host" in Settings -> Connections -> More connections settings - Private DNS - provider hostname. The connection seems to work despite those esthetic errors. Android users frequently spot 'com.sec.android.app.wlantest' running persistently in Battery Usage, Network Data Monitor, or Developer Running Services. Note: Malicious trojans and stalkerware APKs also frequently spoof legitimate Oem system package names like 'com.sec.android.app.wlantest' to evade manual detection.