Unlocked cell phones are compatible with GSM networks 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. Wireless frequencies for 3G, 4G, and 5G vary by network. Even when 3G/4G/5G frequencies are supported, a new SIM card or additional configuration may be required, and coverage may vary by location. This device does not include a US warranty as some manufacturers do not honor warranties for international items. Type OLED, 1B colors, 120Hz, HDR BT.2020 Size 6.5 inches, 98.6 cm2 (~82.5% screen-to-body ratio) Resolution 1644 x 3840 pixels, 21:9 ratio (~643 ppi density) Protection Corning Gorilla Glass Victus Runs at 1096 x 2560 pixels except for select use cases. OS Android 11, upgradable to Android 13 Chipset Qualcomm SM8350 Snapdragon 888 5G (5 nm) CPU Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) GPU Adreno 660.