Verizon and eventually others got it, too.
Analysts say the phone might come with a data plan that could let owners use Amazon services without using up any data.
NOT A FIRST:
Facebook once tried to release a phone tied to its services. The HTC First, released in April 2013, came with Facebook's Home software, which takes over the phone's front screen to present status updates, messages and other content. Both the phone and the software flopped.
Google also has its own phones under the Nexus brand, mostly to showcase its Android operating system. Google makes Android available for free for any phone manufacturer to use and modify. That makes it difficult to know what's really Android and what's a modification.
Amazon.com Inc. got its start in books and soon moved into music, video, devices and more. Analysts believe the goal of an Amazon-branded smartphone is to get customers to buy more things from the nation's largest e-commerce company. The device might include an Amazon shopping app or other features tied to the company's products and services.
Competing won't be easy. Amazon is arriving late to a tightly contested marketplace. Samsung and Apple dominate worldwide smartphone sales with a combined 46 percent share, according to IDC. And in the U.S., Apple leads with more than 37 percent, with Samsung at nearly 29 percent.
Amazon has tried to chip away at Apple's top position in the tablet market with its Kindle Fire HDX tablet, which beats the iPad Air's screen resolution and is lighter and cheaper. Still, the iPad dominates the category while Amazon has seen its market share shrink from 7 percent in 2012 to 2 percent in the first quarter of this year.
PAST FORAYS INTO GADGETS:
Amazon's first gadget was a Kindle e-reader, released in 2007. Although there are plenty of devices that do more, many people still prefer stand-alone e-book readers because they typically have better screens for reading in direct sunlight and don't have distractions such as Facebook and email.
The company started making Kindle Fire tablets in 2011. The latest models, HDX, are notable for a Mayday help button that accesses live tech support 24 hours a day, seven days a week. You see the representatives in a video box, but they can only hear you and see what's on your screen. They can also help guide you by placing orange markers on your screen or taking control of your device completely.