Blackview BV4900 Pro 5.7" 4+64 MediaTek Helio P22 MT6762 Octa Core 4G Ruggedized

New open box  Blackview BV4900 PRO 5.7 Inch IP68 Waterproof 5580mAh NFC ...  The Blackview BV4900 Pro is a 4G-only rugged smartphone (not 5G) featuring a 5.7-inch HD+ display, MediaTek Helio P22 processor, 4GB RAM, and 64GB storage. It is designed for durability with IP68/IP69K/MIL-STD-810G ratings, a 5580mAh battery, a 13MP rear camera, and runs on Android 10 or 12 depending on the version.   Key Specifications  Display: 5.7-inch IPS LCD,  (HD+) resolution, 18:9 ratio, Dragontrail Glass  Processor: MediaTek Helio P22 (MT6762V/WD) Octa-core, up to 2.0GHz   Memory & Storage: 4GB RAM (plus 3GB virtual RAM in some versions), 64GB eMMC ROM, expandable via microSD up to 128GB   Battery: 5580mAh non-removable, 5V/1A or 5V/2A charging, reverse charging (OTG)  Cameras: 13MP Samsung rear camera, 5MP front camera   Durability: IP68 & IP69K (waterproof up to 1.5m for 30 min), MIL-STD-810G  Connectivity: 4G LTE (Dual SIM), NFC, Bluetooth 5.0, GPS/GLONASS/Beidou/Galileo, Micro USB  OS: Android 10 or Android 12  Dimensions & Weight: 261 grams    Network Compatibility  The device supports 4G LTE bands but is not compatible with CDMA networks (Verizon, Sprint) or some new AT&T/Cricket SIM cards. It is primarily designed for 4G GSM carriers like T-Mobile: Fully Supported (4G/LTE data and VoLTE/HD Voice work)T-Mobile MVNOs (Mint, Metro, Tello): Supported