Note There are two versions EU Version and Other Area Version If you come from the European Union Please choose the EU Version Otherwise You can choose the Other Area Version Specification Model Ulefone Armor 28 Ultra 5G Thermal Imaging VersionNetwork 2G GSM B2 3 5 8CDMA BC0 BC1 BC10 3G WCDMA B1 2 4 5 6 8 19 4G LTE FDD B1 2 3 4 5 7 8 12 13 17 18 19 20 25 26 28A 28B 32 66 71LTE TDD B34 38 39 40 41 5G NR Sub6 N1 2 3 5 7 8 20 25 28 38 40 41 66 71 77 78 79 SIM Card Slots Dual SIM Card Dual Standby Nano SIM Nano SIM Card Nano SIM Card TF Card Not compatible with ATT Cricket Sprint Verizon Boost Mobile Koodo Telus Wireless Fido Some network carriers have not been displayed because their 5G networks are not yet in mass commercial use If you have participated in this carrier s testing program please check with the carrier about the 5G frequencies they use so that you can check whether Armor 28 UltraProbably 5G supports their network Click Here for network frequency of your country Please check with your carrier provider before purchasing this item Hardware OS Android 14 Pre installed with Android 14 you can update to Android 15 in Q2 2025 via OTA Timing to be announced CPU MediaTek Dimensity 9300 MT6989W Octa Core up to 3 4GHz 1x Arm Cortex X4 up to 3 4GHz 3x Arm Cortex X4 up to 2 85GHz 4x Arm Cortex A720 up to 2 0GHz GPU Immortalis G720 1 3GHz AI MediaTek NPU 790 RAM 32GB RAM 16GB LPDDR5X 16GB virtual RAM The Vir