Micromax best known for its budget Android smartphones, announced its Bolt A28 and Bolt A59 couple of weeks back, are now available online at Rs. 3,674 and Rs. 4,542 respectively. Micromax is yet to officially announce both the budget Android smartphones for the Indian market.

The Micromax Bolt A28 runs on Android 2.3 Gingerbread, and is a dual-SIM device with support for GSM+GSM and dual standby. It features a 3.5 inch display with 320 x 480 pixels resolution. The Bolt A28 is powered by a 1 GHz Cortex A5 processor with 1 GB RAM. Bolt A28 comes with 0.3-megapixel cameras on both front and back.

It comes with 512 MB of inbuilt storage, which can be expanded up to 32 GB via microSD card. It has a 1500 mAh battery.

For connectivity Micromax Bolt A28 include Bluetooth, Wi-Fi, GPRS, EDGE, GPS/ AGPS and Micro-USB.

The Micromax Bolt A59 on the other hand runs Android 4.1 Jelly Bean. It is a dual-SIM device. It comes with a 3.5 inch display with 320 x 480 pixels resolution, and is powered by a 1 GHz Spreadtrum SC7710 processor along with 256 MB of RAM.

It includes 4 GB of inbuilt storage, which is further expandable up to 16 GB via microSD card. The Micromax Bolt A59 sports a 2 megapixel rear camera with LED flash and also includes a VGA front-facing camera. The device packs a 1500 mAh battery.

For Connectivity it include Bluetooth, Wi-Fi, Micro-USB, GPRS, EDGE and 3G.