The first thing to exclude is that you have not paid enough phone bills, and the phone is still in arrearage.
< br >
The second thing you need to check is that the power supply to your home broadband is working.
< br >
The third point is to see if the router is working properly. You can disconnect the power in each plug of the router and try it again
Whether to connect to the wireless network depends on whether there is Internet.
After charging the phone fee still can not connect to the wireless can be turned off in a try