Will not even scan for wifi connections
Samsung Galaxy S 4G Smartphone: WiFi disconnects (have to restart phone to reconnect, does not scan for WiFi connections):
Hello. It could be that your "Auto Network Switch" setting is on..
What Auto Network Switch does: when the WiFi gets too low the phone automatically switches to cellular, and when cellular connection gets too low, the phone will switch to WiFi
All Samsung Galaxy's are not alike for it's menu settings.. but you can try:
for S4 and up:
Settings>hold down on WiFi settings for a second then let go > un-check box at top for "Smart Network Switch"
for other Samsung Smartphones see the attached video below:
If your device is having issues trying to scan for your router.. try turning off your router for 2 minutes, then turn it back on.. make sure you wait a few minutes for your router to properly boot back up before you try scanning for your WiFi network again
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