The use of wireless LAN technology has in mobile phone products has attracted more research in this technology. one of the most common uses of WLAN is to connect to the internet via local area networks. As the advance of mobile phone technology march out, the WLAN technology is now availble on recent mobile phones products, preliminary, the mobile phone WLAN is used commonly to connect to local area networks (LAN) as its legacy use. however, there is an opportunity that this technology can be used for file transfers between mobile phones and other network-based decives. this research propose an extended use of the mobile phone WLAN in the data transsmission between mobile phons and other network-based devices. expriments results show that the data transmission can be used to transfer files among network-based devices with high level of satisfactory.