Google Nexus 5 Unlocked GSM Phone, 32Gb (White) D821 - No 4G in USA - 'International Version No Warranty' GSM850/900/1800/1900 - WCDMA 800/850/900/AWS/1900/2100 - CDMA 850/1900 - LTE 800/850/AWS/700/1900/2100/TD2600 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.