SONY ERICSSON Z500 Z 500 3G PHONE CINGULAR AT&T ATT Modes; GSM 850 / GSM 1800 / GSM 1900 WAP / Web Browser WAP 2.0 Email Client Protocols Supported: POP3, IMAP4 Camera Resolution: VGA (640 x 480) Streaming Video Protocol: 3GPP video (MPEG-4 / H.263)