The process for a mobile device to obtain a dynamic IP address when connected to a router
and then gain the access to the Internet using Wi-Fi is time consuming. By using a static IP
address, your phone can quickly access the Internet through a Wi-Fi connection.
2.5 Can my phone work as a modem to provide
Internet access for computers?
1.
On a home screen, touch Settings.
In the WIRELESS & NETWORKS field, touch More... > Tethering & portable
2.
hotspot > Portable Wi-Fi hotspot.