Probably but check out the phone manual for the procedure -- it's usually less than intuitive as the phone maker's real customer is not you but the networks and they don't make money if you use your home wifi.
You may also have to change the router's wireless mode to mixed or g and n in the router's setup screens (see router instructions for how to access setup screens).
And while setting up the phone connection I would disable wireless security in the router -- though possibly some bright spark at the phone maker has put in settings that stop you connecting to insecure networks.
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