verykool Mystic II s3504 3.5&rdquo; 3G Unlocked GSM Smartphone Dual SIM Android 4.2 1.0GHz Dual-Core Bluetooth 5MP Rear Camera 720p Will Work On AT&T T-Mobile -Retail Packaging -NO CONTRACT REQUIRED. This factory unlocked 3G 3.5" LCD smartphone is guaranteed to work on every GSM carrier across the US including: AT&T, T-Mobile, Tracfone, etc. *not compatible: CDMA networks like Verizon or Sprint*. Now that's freedom. -WORLD PHONE. Vacationing? Going abroad? verykool has you covered. This dual sim (both micro size) GSM phone works in 126+ countries across the globe, including: Central/South America, Africa, Europe, Asia, the Caribbean, & more (compare GSM bands below) -BETTER CAMERAS. MORE STORAGE. Capture and share your favorite moments with an 5MP rear camera & a 1.3MP front camera (LED flash). Play games? Have a lot of music and photos? 4GB of internal storage & an external 32GB MicroSD slot has you covered - POWERED BY MEDIATEK. Dual-Core Processor. This dual-core ultra-fast MediaTek MTK6572M processor is powered by two 1.0GHz Cortex-A7 ARM cores. -FREE ACCESSORIES. Charger, headphones, micro data cable. We are a publicly traded company based in San Diego, CA (nasdaq: IFON) & offer a 1-Year warranty.