Blackberry Ghost

The Blackberry Ghost is a sleek and powerful mobile device that runs on the Android v8.0 (Oreo) operating system. It is equipped with an octa-core processor, 6GB of RAM, and 64GB of internal storage, which can be expanded up to 256GB. The device features a 6.0-inch AMOLED display with a resolution of 1440 x 2960 pixels and a pixel density of 549 ppi. The screen is protected and supports multi-touch gestures.

In terms of network support, the Blackberry Ghost is compatible with 4G, 3G, and 2G networks. It also features Wi-Fi connectivity, GPS with A-GPS and Glonass, Bluetooth v4.2, NFC, and a USB Type-C port for charging and data transfer. The device has a single SIM slot and supports Nano-sized SIM cards.

The Blackberry Ghost boasts a high-quality 4128 x 3096 pixels camera with digital zoom, auto flash, face detection, and touch-to-focus capabilities. It also includes features like screen flash, phase detection autofocus, optical image stabilization, and 4K video recording at 30fps. The device has a 3.5mm audio jack, FM radio, loudspeaker, and a 4000mAh non-removable Li-ion battery with quick charging support.

Pros:
1. High-resolution AMOLED display
2. Powerful octa-core processor and ample RAM
3. Expandable storage up to 256GB
4. Impressive camera capabilities with 4K video recording
5. Long-lasting 4000mAh battery with quick charging support
6. Secure fingerprint sensor for easy unlocking

Cons:
1. Lack of dual SIM support
2. Limited availability of color options
3. No user-replaceable battery
4. Relatively higher price point compared to competitors
5. May not have the latest version of Android OS out of the box