Phone will display H+ on carrier running on At&t network which is similar to LTE speed and Phone will display LTE on carrier running on T-mobile network. International Version International Version means the item will have an International warranty, all function/features are still the same as the USA including the English language, but the warranty will be covered outside the USA. Item still comes with 30-day seller warranty. GSM Unlocked cell phone is compatible with carriers like AT&T, T-Mobile, H20, Simple Mobile, Consumer Cellular, Metro PCS, Cricket, Straight Talk GSM, Tracfone GSM, Ting GSM, Project Fi GSM, and other prepaid carriers. The unlocked cell phone will NOT work with CDMA Carriers like Verizon, Sprint, Boost Mobile, Xfinity Mobile, Virgin Mobile, Straight Talk CDMA, Tracfone CDMA, Total Wireless, Ting Wireless CDMA, Project Fi CDMA or U.S Cellular. CDMA carrier requires you to purchase their carrier branded phones only. Even if the listing says GSM Unlocked it will not work with CDMA Carriers. REPUBLIC WIRELESS has hardware limitations and would only work on USA Version phones and would not work on International Version phones. Please contact your service provider to check fully compatibility of the phone & the network they operate on. MAIN FRAME Chipset : Qualcomm SDM855 Snapdragon 855 (7 nm) CPU's : Octa-core (1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.80 GHz Kryo 485) GPU : Adreno 640 OS : Android 9.0 (Pie); OxygenOS 9.5.7 STORAGE SIM : Nano (Dual SIM) ROM : 256GB RAM : 8GB External Support : Not Available SIGNALS 2G : 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 - GSM 3G : 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100 - HSDPA 4G : Band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(800), 19(800), 20(800), 26(850), 28(700), 29(700), 32(1500), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500) - LTE Network Status : Factory Unlocked Release Date : June, 2019 BUILD Measurements : 6.21 x 2.94 x 0.32 in (157.7 x 74.8 x 8.2 mm) Weight : 6.42 oz (182 g) Safety : Front glass (Gorilla Glass 6)Back glass (Gorilla Glass 5) DISPLAY Size : 6.41 inches Resolution : 1080 x 2340 Technology : Optic AMOLED Capacitive Touchscreen Display color : 16 M Multi-touch : Yes Protection : Corning Gorilla Glass 6 Pixel Density : ~402 ppi CAMERA Rear Camera : Dual 48 MP + 5 MP Focus Type : f/1.7, (wide), 1/2", 0.8µm, PDAF, OIS f/2.4, 1.12µm, depth sensor Rear Camera Flash : Dual-LED flash Features : HDR, panorama Video Technology : 2160p@30/60fps, 1080p@30/60/240fps, 720p@480fps, Auto HDR, gyro-EIS Front Camera : 16 MP Video : 1080p@30fps CONNECTIVITY Wi-Fi Signals : Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot Bluetooth : 5.0, A2DP, LE, aptX HD USB Type : 3.1, Type-C 1.0 reversible connector, USB On-The-Go GPS : Yes, with dual-band A-GPS, GLONASS, BDS, GALILEO, SBAS NFC : Yes Radio/FM : Not Available Sensors : Fingerprint (under display), accelerometer, gyro, proximity, compass Audio Jack : Active noise cancellation with dedicated mic BATTERY Type : Non-removable Li-Po Capacity : 3700 mAh