This Nokia N78 cell phone can be used with a GSM network service provider and it provides quad-band connectivity (850 MHz, 900 MHz, 1800 MHz, 1900 MHz). This phone also operates on 850/1900 MHz HSDPA 3G networks found in the United States (operated by AT&T). It does not come with a SIM card, and it requires that you provide a SIM card for usage with your selected service provider. This Nokia N78 cell phone comes with a one-year warranty from a third party provider.Phone Features: The Nokia N78 has a large 2.4-inch screen with a 240 x 320-pixel resolution and support for 16 million colors - perfect for enjoying the rich color depth from images captured from the 3.2-megapixel camera. The screen also provides a wide 160-degree viewing angle and an ambient light detector to optimize display brightness and power consumption. It offers up to 70 MB of user accessible internal memory, and it can be expanded via optional MicroSD memory cards (up to 8 GB in size). The Nokia N78 runs the S60 third edition user interface.





