The World's Smallest Smartphone, Sudroid SOYES 6S Android 5.1 OS 2.45 Inch Mini Phone Unlocked with ROM 1G RAM 8G (Gold) Unlocked cell phones are compatible with GSM carriers like AT&T and T-Mobile as well as with GSM SIM cards (e.g. H20, Straight Talk, and select prepaid carriers). Unlocked cell phones will not work with CDMA Carriers like Sprint, Verizon, Boost or Virgin. Super Mini 3G Smartphone, Impossibly small. Amazingly cute. Totally functional. Extremely Portable, Handy and Simplicity, Fits the coin pocket on your jeans. touch screen easy to carry very cool