Let’s take a look at the Nokia Lumia 900, a high-end smartphone with a 4.3-inch AMOLED screen, an 8 Mpixel camera, 4G connection, and is loaded with Windows Phone 7.5.

The Lumia is a family of smartphones from the traditional Finnish manufacturer. There are four models: Lumia 610, Lumia 710 (which we already reviewed), Lumia 800, and Lumia 900. All of them use the same basic hardware. The screen resolution is 800 x 480 on all models. The main differences between the models are shown in the table below.

Model Lumia 610 Lumia 710 Lumia 800 Lumia 900
Processor Clock 800 MHz 1.4 GHz 1.4 GHz 1.4 GHz
Screen 3.7” LCD 3.7” LCD 3.7” AMOLED 4.3” AMOLED
RAM 256 MB 512 MB 512 MB 512 MB
Storage 8 GB 8 GB 16 GB 16 GB
Main camera 5 Mpixel 5 Mpixel 8 Mpixel 8 Mpixel
Front camera No No No Yes
Price USD 230 USD 240 USD 380 USD 400

Figure 1 shows the small box of the Nokia Lumia 900.

Nokia Lumia 900Figure 1: Box

Inside the box, we found the smartphone itself, a wall charger, USB cable, earphones, a pin for removing the SIM chip, and user manual.

Nokia Lumia 900Figure 2: Contents of the box

Figure 3 shows the Nokia Lumia 900 (at the left) side-by-side with the Nokia Lumia 710 (at the right).

Nokia Lumia 900Figure 3: Nokia Lumia 900 and Lumia 710

Figure 4 reveals the Nokia Lumia 900. The three Windows Phone 7.5 mandatory buttons at the front of the device (return, home, and search) are touch buttons.

Nokia Lumia 900Figure 4: The Nokia Lumia 900

Rafael Otto Coelho is a physicist, a PhD student, and is a college professor in Brazil.