Datawind PocketSurfer 2G4

The Datawind PocketSurfer 2G4 is a budget-friendly mobile device that offers basic smartphone functionalities. It runs on the Android v4.0.3 (Ice Cream Sandwich) operating system and is powered by a single-core 1 GHz ARM Cortex A7 processor. The device comes with 256 MB of RAM and 512 MB of internal memory, which can be expanded up to 32 GB using a microSD card.

The PocketSurfer 2G4 features a 3.5-inch LCD display with a resolution of 320 x 480 pixels and a pixel density of 165 ppi. It has a 0.3 MP primary camera with an image resolution of 640 x 480 pixels. The device supports 2G networks and has dual SIM slots.

In terms of connectivity, the PocketSurfer 2G4 offers Bluetooth, Wi-Fi 802.11 b/g/n, and microUSB connectivity. It also has a 3.5 mm audio jack, FM radio, and a loudspeaker. The device is powered by a 1800 mAh Li-ion battery, which provides up to 72 hours of standby time and up to 3 hours of talk time on 2G networks.

Pros:
1. Affordable price point
2. Dual SIM support
3. Expandable memory up to 32 GB
4. Lightweight and compact design
5. Basic smartphone functionalities such as WhatsApp application

Cons:
1. Limited RAM and internal memory
2. Low-resolution display
3. Low-quality camera
4. Short battery life
5. Outdated operating system (Android v4.0.3)