Wi-Fi Tips
com.samsung.android.net.wifi.wifiguider
Removing the app makes it impossible to connect to a Wi-Fi network without a detected internet connection
Shows a question-mark button next to Wi-Fi networks that failed to connect for any reason, providing info to fix the specific issue. It also has a dedicated Settings activity that lists all possible help-tips, accessible via the “More tips” button when reading a tip.
Upon reinstalling a notification pops up saying “Analyzing Wi-Fi” for a few seconds, no idea what it’s doing.