HTC myTouch 3G Unlocked Android Phone with 3G Support, GPS, Wi-Fi and Touch Screen - US Warranty - Merlot This unlocked cell phone is compatible with GSM carriers like AT&T and T-Mobile. Not all carrier features may be supported. It will not work with CDMA carriers like Verizon Wireless, Alltel and Sprint. Internal memory: Flash 512MB; RAM 192 MB DDR Phone book entries: Up to 10, 000 Email: Gmail client for Gmail only; separate e-mail software app for accessing IMAP, POP3, Exchange mail Digital audio player compatibility: MP3, AAC, AAC+, WMA, WAV, AMR, OGG This unlocked cell phone is compatible with GSM carriers like AT&T and T-Mobile. Not all carrier features may be supported. Internal memory: Flash 512MB, RAM 192 MB DDR Phone book entries: Up to 10, 000 Email: Gmail client for Gmail only, separate e-mail software app for accessing IMAP, POP3, Exchange mail Digital audio player compatibility: MP3, AAC, AAC+, WMA, WAV, AMR, OGG It will not work with CDMA carriers like Verizon Wireless, Alltel and Sprint.