BlackBerry 8220 Flip Pearl Unlocked Phone , GPRS, EDGE, and 2 MP Camera--International Version with No Warranty 256 MB onboard memory 20-key condensed QWERTY keyboard Unlocked cell phones are compatible with GSM carriers such as AT&T and T-Mobile, but are not compatible with CDMA carriers such as Verizon and Sprint. This cell phone may not include a US warranty as some manufacturers do not honor warranties for international version phones. Please contact the seller for specific warranty information.