... phone GSM phone carriers in the USA:AT&T, Cingular, Cellular One, Fido, Rogers Wireless, SunCom, T-Mobile, TracFone, Cellular One...etcDetail Sepcifications ... of phone books Internal Memory: Max support 8GB TF card Internet Connectivity: GPRS / WAP 2.0 Card slot: MicroSD (TransFlash) Messaging ...