【18GB + 256GB/2TB Expandable】The Blackview Fort 1 rugged phone unlocked uses advanced RAM expansion to boost memory from 4GB to 128GB, ensuring smooth multitasking. This Android phone offers 128GB of internal storage and supports TF cards up to 2TB, providing ample space for all your apps, photos, and videos, handling demanding tasks with ease.【6.56“ Big Screen & 16MP Main Camera】The Blackview Fort 1 rugged phone has a 6.56-inch screen with a screen-to-body ratio of up to 83%. The resolution is 720*1612 with up to 450 nits brightness, the visual effect is fascinating. Compared with similar mobile phone, Fort 1 has a larger screen, providing a more comfortable viewing experience. The 16MP AI rear camera and 8MP front camera capture stunning details with panoramic, beautiful, and HDR modes. This waterproof cell phone ensures sharp, immersive images and videos.【Dual SIM 4G & Multifunction】The Blackview Fort 1 rugged smartphone offers dual SIM and dual-band Wi-Fi, allowing the use of two nano SIMs or one nano SIM and a TF card. This rugged phone unlocked provides accurate GPS navigation, fast face unlock, and high-quality audio with Intelligent PA. Combining durability with essential features, it enhances your daily experience.【Please Read Before Purchasing】Blackview Fort 1 rugged android phones support 4G network, compatible with GSM carriers like T-mobile, Speedtalk, Mint Mobile, BTC, MetroPCS, H2O, Movistar, Telcel, Tigo, Claro, Ultra Mobile, Tello, Bell Wireless, Rogers Wireless, Chatr, Telus, Fido, FIZZ, and more. ???(Not compatible with CDMA carriers such as AT&T, Cricket Wireless, Verizon, Straight Talk or U.S.Cellular❌❌❌) Support Network: 4G FDD: B2/B3/B4/B5/B7/B12/B13/B17/B26/B66/B28A/B28B; TDD: B40/B41; 3G WCDMA: B2/B3/B4/B5; 2G GSM: 850/900/1800/1900 (B2/B3/B5/B8).【2 Years Guarantee & After-sales service】Your purchase of the Blackview Rugged Phone Fort 1 is protected by our comprehensive after - sales service. We offer a two - year after - sales service and lifetime technical support. Our customer service team is available 24/7, ready to address any issues or questions you may have. We're committed to ensuring your satisfaction and providing prompt, professional assistance. With Blackview, you can enjoy peace of mind knowing that we'll be with you every step of the way.