Unlocked cell phones are compatible with GSM carrier such as AT&T and T-Mobile, but are not compatible with CDMA carriers such as Verizon and Sprint. Please check if your GSM cellular carrier supports the bands for this model before purchasing, LTE may not be available in all areas: FDD LTE: B1,2,3,4,5,7,8,12,13,17,18,19,20,25,26,28,29,32,66 TDD-LTE: B34,38,39,40,41 TDS: B34,39 UMTS: B1,2,4,5,8,9,19 CDMA: BC0,BC1 GSM: B2,3,5,8. Oneplus 7 Pro GM1910 (China Model), , Memory: 256GB+8GB, Display Size: 6.67 inches QHD+ AMOLED Display | Resolution: 1440 x 3120 pixels, Aspect Ratio: 19.5:9 | Type: AMOLED | Cover Glass: 3D Corning Gorilla, Triple Rear Camera: 48MP Main (f/1.6) + 16MP Ultra Wide Angle (f/2.2) + 8MP Telephoto (f/2.4). Dual LED Flash, Video: 4K resolution at 30/60 fps | 1080p resolution at 30/60 fps | Super Slow Motion: 1080p videos at 240 fps | 720p video at 480 fps, Time-Lapse, Video Editor. Pop-up front camera: 16MP, Video: 1080p resolution at 30 fps | Time-Lapse. This device may not include a US warranty as some manufacturers do not honor warranties for international items. Please contact the seller for specific warranty information.