Have you ever noticed that in some parts of the house and the wifi signal becomes weak? It is precisely in those areas can not find the settings more signal? You never tired of having to first activate the wifi and then open an application that did the scanning of networks?
This tweak will activate the wifi every time you open the application WiFiFoFum (wifi network scanner that can be downloaded from Cydia) so as to speed the process of connecting to wifi.
Use the WiFiFoFum app, it will be installed.