Micromax Bolt A066

The Micromax Bolt A066 is a budget-friendly smartphone that was released in May 2014. It runs on the Android 4.4.2 (KitKat) operating system and is powered by a Dual-core 1.3 GHz Cortex-A7 processor along with a Mediatek MT6571 chipset and Mali-400 GPU. The device comes with 4 GB of internal storage and 512 MB of RAM, which can be expanded up to 32 GB via a microSD card.

The Bolt A066 features a compact 3.5-inch IPS LCD display with a resolution of 320 x 480 pixels and a pixel density of 165 PPI. It has a capacitive touchscreen and supports up to 16 million colors. The phone has a dual SIM card slot and supports GSM networks. It also has Wi-Fi connectivity, Bluetooth 4.0, and FM radio.

In terms of camera capabilities, the Micromax Bolt A066 sports a 2 MP main camera and a 0.3 MP selfie camera. The main camera can capture video at 480p resolution. The device is available in four color options: Tranquil Green, Pristine White, Raging Red, and Smokey Grey.

One of the standout features of the Bolt A066 is its removable 1300 mAh Li-Ion battery, which offers up to 160 hours of standby time and up to 6 hours of talk time. The phone also comes equipped with basic sensors like an accelerometer and proximity sensor.

Pros:
- Affordable price point
- Compact and lightweight design
- Expandable storage capacity
- Removable battery
- Dual SIM card support

Cons:
- Low-resolution display
- Limited internal storage and RAM
- Basic camera quality
- Lack of GPS functionality
- Older Android operating system (KitKat)