By Michael Oleaga / m.oleaga@latinospost.com (staff@latinospost.com) | First Posted: May 31, 2013 03:33 PM EDT

Amazon has increased the price of the Nokia Lumia 920 Windows Phone 8 smartphone.

Amazon has consistently altered the prices of the Lumia 920, usually making it cheaper than the AT&T Online price. However, Amazon has raised the "Without a Service Plan" cost of the Lumia 920 by $150 but for only two of its models.

The black and blue (cyan) models of the Lumia 920 are now available for $599.99. The blue model, as of 2 p.m. EST, has only 11 units left in stock while the black variant seems to be fine. Meanwhile, the white, yellow and red models remain at $449.99.

The Lumia 920 is offered at $39.99 for current AT&T customers who are in either an individual plan or family plan, regardless of the smartphone's color.

For new customers wanting to purchase the Lumia 920, the price remains the same at $19.99 when signing a two-year contract in either an individual plan or family plan.

AT&T Online has the Lumia 920 at $99.99 when signing a two-year contract. A one-year contract with AT&T will increase the price to $349.99 while a month-to-month price will equal the Amazon's "Without a Service Plan" price tag.

The Lumia 920 smartphone has a screen size of 4.5 inches, 32GB of internal storage with 1GB of RAM, an 8-megapixel rear-facing camera with 3,264x2,448 pixels with LED flash, Bluetooth 4.0, an NFC chip and a 2,000 mAh battery capacity.

Related Articles:

- For the reviews round up of the Lumia 920, click here.

- For the drop test results of the Lumia 920, click here.

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