Karbonn S1 Plus is a Dual-SIM smartphone that sports a 4.0-inch WVGA screen. Powered by a 1.2GHz quad-core processor, the smartphone has 1GB RAM and runs on Android v4.3 Jelly Bean operating system. The smartphone boasts a 5.0 Megapixel rear camera which allows you to capture superb quality images even in low-light conditions. Karbonn S1 Plus comes with 4GB of internal storage which can be expanded through a microSD card up to 32GB and allows you to carry your world along with you.