Micromax Bolt D320

The Micromax Bolt D320 is a budget-friendly smartphone that was released in March 2015. It runs on the Android 4.4.2 (KitKat) operating system and is powered by a Dual-core 1.2 GHz Cortex-A7 processor along with a Mediatek MT6572 chipset and Mali-400 GPU.

The phone comes with 4 GB of internal storage and 512 MB of RAM, which may not be sufficient for heavy users but can be expanded up to 32 GB via a microSD card. The 4.5-inch display has a resolution of 480 x 854 pixels, with a pixel density of 218 PPI and a screen-to-body ratio of 62.2%. The device supports 2G GSM and HSPA network connectivity, as well as Wi-Fi, Bluetooth 4.0, GPS, and FM radio.

In terms of camera capabilities, the Micromax Bolt D320 features a 3.15 MP main camera with LED flash and video recording capabilities, as well as a 0.3 MP VGA selfie camera. The device also includes a 1600 mAh removable Li-Ion battery, which may not provide long-lasting power for heavy users.

Pros:
- Affordable price point
- Expandable storage option
- Decent main camera with LED flash
- Dual SIM capability

Cons:
- Limited internal storage and RAM
- Low-resolution display
- Low-quality selfie camera
- Small battery capacity

Overall, the Micromax Bolt D320 is a basic smartphone suitable for users who are looking for a budget-friendly option with essential features. However, it may not be suitable for heavy users or those who require more advanced specifications.