The Micromax Bolt A59 runs Android 4.1 Jelly Bean out-of-the-box. The Micromax Bolt A59 Android smartphone is a dual-SIM (GSM+GSM) device with dual standby support. It comes with a 3.5-inch display with 320x480 pixels resolution, and is powered by a 1GHz Spreadtrum SC7710 processor along with a Mali 300 GPU and 256MB of RAM.It includes 4GB of inbuilt storage, which is further expandable up to 16GB via microSD card. The Micromax Bolt A59 sports a 1.3-megapixel rear camera with LED flash. The device packs a 1500mAh battery that the listing claims can give a standby time of up to 160 hours, and up to 4 hours of talktime