Price: $399.99 - $139.99
(as of Jun 08, 2026 03:57:14 UTC – Details)
From the brand
FOSSiBOT Official Flagship
FOSSIBOT is a veteran mobile brand forged by years of technical accumulation and continuous innovation. We develop sleek daily smartphones and heavy-duty rugged outdoor phones.
Boasting powerful specs and outstanding rugged durability, our phones adapt seamlessly to urban daily use and tough wilderness conditions alike. Dedicated service and dependable after-sales support help us gain consistent trust from global consumers over the years
How we define our product？
FOSSiBOT was born from the passion and courage of outdoor explorers. We build our legacy on unmatched rugged toughness, pairing seamless user experience with premium crafted build quality for every adventure.
What makes our product unique?
All FOSSiBOT rugged phones: IP68/IP69K & drop certified, premium Dimensity chips for smooth use, durable build, fully T‑Mobile SIM compatible.
How Is Our Brand Service?
As the official US flagship store of FOSSiBOT, we offer a 30-day free return policy, a 2-year replacement , and responsive support：fossibotphone@163
The Best No.1 Unlocked Phone
FOSSiBOT 2026 Flagship Series
128GB Storage Unlocked phones
256GB Storage 4G Rugged Phone
256GB Storage 5G Rugged Phone
Cost-effective phone
📱【6.9″ FHD+ 120Hz Display & 1.8″ Smart Rear Screen】FOSSiBOT S7 Unlocked Phone features a large 6.9-inch FHD+ display with a smooth 120Hz refresh rate for gaming, streaming, and scrolling. The 1.8-inch smart rear screen provides quick access to notifications, time, music controls, and more, making this smartphone more convenient for daily use.
🚀【Android 16 & Octa-Core Processor with 128GB ROM】This Android smartphone runs the latest Android 16 system and a powerful octa-core processor for smooth multitasking. Equipped with up to 16GB RAM (4GB + 12GB virtual RAM), 128GB ROM, and expandable storage up to 2TB via TF card. Dual SIM 4G unlocked mobile phone compatible with T-Mobile. ❌❌Not compatible with AT&T, Cricket, Verizon, or Xfinity Mobile.
🔋【5000mAh Battery for All-Day Power】The FOSSiBOT S7 mobile phone is equipped with a 5000mAh battery designed for long-lasting performance. Enjoy up to 670 hours standby time, 28 hours of calling, and up to 22 hours of gaming on a single charge. Perfect for work, travel, entertainment, and everyday communication.
✨【Slim 8.5mm Design & Premium Comfortable Grip】Unlike bulky phones, the FOSSiBOT S7 smartphone combines a lightweight 215g body with an ultra-slim 8.5mm profile. The rounded four-corner frame provides a modern appearance and comfortable grip, making it easy to carry in your pocket, backpack, or hand throughout the day.
🎁【Fingerprint Unlock, Face ID & Reliable After-Sales Support】This unlocked smartphone supports fingerprint unlocking, face recognition, GPS navigation, and essential daily functions. ❌❌NFC is not supported. Enjoy professional customer support within 24 hours, 30-day hassle-free returns, and a 2-year warranty with replacement service. For details, please refer to the Brand Story section.