Unlocked iPhone 3G from AT&T on Verizon

Computer Type: Laptop
System Manufacturer/Model Number: Gateway 17.3" LCD Intel Dual-Core, 8GB RAM 1TB HDD Windows 8 Laptop
OS: Windows 8 - 64-bit
CPU: 2.2GHz Intel Pentium dual-core B960 processor with 2MB L3 ca
Memory: 8GB DDR3
Graphics Card: Intel HD Graphics with 128MB of dedicated system memory
Monitor(s) Displays: 17.3" Ultrabright HD widescreen LED-backlit LCD
Screen Resolution: 1280 X 1024
Keyboard: Multi Gesture Touchpad
Mouse: USB - portable mouse... I added this
PSU: Intel B960 processor
Case: XXXXX
Cooling: XXXXX
Hard Drives: 1TB hard drive-1000 GB HDD DVD-Super Multi DL drive
Browser: I E 10
Antivirus: Avast
Other Info: I see nothing about Motherboard info. I'm not sure about Sound Card Ports :(3) USB 2.0, (1) HDMI, (1) VGA, (1) Headphone out, (1) Microphone in, (1) Ethernet LAN •Fast Wi-Fi wireless and wired Gigabit Ethernet networking •HDMI output •Kensington lock slot I have no idea what all this actually means