• Screen 4" The ZTE Concord II's screen is 4 inches with 480 x 800 pixels resolution. Processor 1.2GHz There is a Qualcomm MSM8210 Dual core 1.2 GHz processor (CPU). OS The phone runs on the Android 4.3 Jelly Bean operating system (OS). Camera 5+ MP You can take photos or capture video with the phone's onboard 5+ megapixel camera. There's no secondary front camera. Storage 4 GB Internal memory is 4 GB. An external, MicroSD, MicroSDHC (up to 32 GB) expansion slot is available for increased storage capacity. Battery 1820mAh The phone is powered by a 1820 mAh Lithium-Ion (Li-Ion) battery. ZTE's performance ratings are: 10.4 days standby time, 360 minutes talk time.