Wireless-NAS is a software program that enables one to configure a wireless network in the absence of a WIFI-PASSWORD. One may use the software for monitoring the traffic on a wireless network, controlling the network and also for transmitting or downloading files. This software comes free with some mobile phones and one can easily get it downloaded from the internet by following the instructions on the manufacturer's website. Once downloaded, the device can be used without any configuration required. The software will automatically detect the best SSID for the network and will assign this automatically for you after setting the WIFI-PASSWORD.
Many sites on the net offer software applications such as WIFI-PASSWORD and this can be downloaded free of cost. One can also choose to purchase the software to download it and install it for free. However, some websites charge for such downloads but the quality of the software is often the same as the free ones.
However, one should always download WIFI-PASSWORD from a trusted site so as to avoid downloading viruses or spyware. The best place to download free software is from the official website of the manufacturer of the phone. Also, one can choose to purchase the software to download it free from eBay or Amazon.