Karbonn Titanium S21

The Karbonn Titanium S21 is an entry-level smartphone that runs on Android v4.4.2 (Kitkat) operating system. It is powered by a quad-core 1.2 GHz processor and comes with 512 MB of RAM, which may not be sufficient for heavy multitasking or gaming. The phone has 4 GB of internal storage, which can be expanded up to 32 GB via a microSD card.

In terms of display, the Karbonn Titanium S21 features a 4.5-inch TFT screen with a resolution of 480 x 854 pixels and a pixel density of 218 ppi. While the display may not be the sharpest or most vibrant, it is adequate for everyday use.

The phone comes with a 3.2 MP primary camera with LED flash and a 0.3 MP front camera for selfies. The camera quality is average and may not produce the best results in low light conditions.

In terms of connectivity, the Karbonn Titanium S21 supports dual SIM cards (GSM GSM) and offers 3G and 2G network support. It also comes with Bluetooth, GPS, Wi-Fi, and FM radio functionality.

The phone is powered by a 1600 mAh removable battery, which may not provide the best battery life compared to other smartphones in the market. It also lacks quick charging support.

Overall, the Karbonn Titanium S21 is a budget-friendly smartphone with basic features. It may be suitable for users who are looking for a simple device for calls, messaging, and light web browsing. However, its limited RAM and storage capacity may be a drawback for users who need more power and storage for their daily tasks.

Pros:
- Affordable price
- Dual SIM support
- Expandable storage
- Decent display size

Cons:
- Limited RAM and storage
- Average camera quality
- Average battery life