You can not use a USB to connect the PS3 to Broadband only WiFi or ethernet cable
No you can not use a phone to provide an online connection
No you must use WiFi or ethernet to connect to the PS3 and can not use a USB dongle as the USB port can not be used to provide internet for the PS3
You connect the PS3 to the internet with Broadband internet service and a cable or DSL modem and router. see related link
No they PS3 require Broadband Cable or DSL
You have to have broadband to play online games..therefore , yes
Any broadband should be fine, you don't need a special ps3 broadband. You can connect wirelessly via the inbuilt wifi or with an ethernet cable to a router.
no, the PS3 can just connect to the internet if you have broadband internet service
No you can not connect the PS3 to the internet with a phone
The PS3 must be connected to a broadband internet service with WiFi or an ethernet cable. The USB ports will not allow an internet connection
you don't PS3 must connect with ethernet cable or WiFi for the internet
PS3 must connect with a DSL or Cable broadband using WiFi or Ethernet cable only. The new PS Vita will connect with WiFi or for some models 3G when it is released on February 15 2012
Connect your PS3 to the internet then log into PlayStation network