Great phone with good battery. However, I’m not sure what network it is Locked. The home button also does not work.

Processor: Single Core
Screen Size: 3.5 in
Memory Card Type: Built-In Memory
MPN: MB048B/A
Model Number: A1241 (GSM), A1241 (Gsm Only)
Colour: Black
Brand: Apple
Model: Apple iPhone 3G
Connectivity: Bluetooth, Wi-Fi, Dock Connector
Style: Bar
Operating System: iOS
Storage Capacity: 8 GB
Camera Resolution: 2.0 MP
RAM: 128 MB