HTC Desire SV have Android v4.1 (Jelly Bean) OS, it is Dual SIM (GSM + GSM). HTC Desire SV is 4.3-inch Super LCD 2 Capacitive Touchscreen, it's Expandable Memory Capacity of 32 GB, 8 MP Primary Camera, 1 GHz Dual Core Cortex-A5 Processor, Wi-Fi Enabled, 3G, Bluetooth, Music Player, WiFi, GSM, Touchscreen, Email, GPS, Dual Core, 25 GB Drop Box, Micro SIM, Audio Recording, Calendar, Voice Input