[How to] fix Samsung Galaxy Android Phones Wifi Issue

12

1. *#0011#
2. Pres menu buton and select wifi
3. Turn of wifi power safe mode “off”

How to fix
Samsung Galaxy S3 Wifi Issues
Samsung Galaxy S4 Wifi Issues
Samsung Galaxy S5 Wifi Issues
Samsung Galaxy Note 2 Wifi Issues
Samsung Galaxy Note 3 Wifi Issues etc
Android 4.3 Jellybean
Android 4.4 Kitkat

Source: Youtube