#6.Garmin Nuvifone

The Garmin Nuvifone is a line of Internet-enabled mobile phone and personal navigation devices, manufactured by a partnership between Garmin and Asus. It makes use of a touchscreen with virtual keyboards and buttons. Garmin debuted a smartphone that came with a car dock. The phone has their navigation system built-in, as well as allows hands-free calling. It also has a great geo-tagging option for the camera, and a built-in social network called Ciao! Apple released their navigation apps and made a good progress in the market whereas Garmin couldn’t succeed.

#7.Helio

Helio was a mobile virtual network operator using Sprint's network that offered wireless voice, messaging and data products and services to customers. Helio was also a smartphone brand which had several models. They ran TV commercials with the slogan, "Don't Call Us a Phone Company; Don't Call it a Phone." Helio also began advertising on billboards, in the print media and on MySpace to promote the product. Helio resulted in millions of dollars of losses per month and didn’t do well in the market.

#8.Apple Newton

Manufactured by Sharp, the Apple Newton MessagePad is one of the first-ever Personal Digital Assistants, a term coined by Apple's then-CEO, John Sculley.  Newton is best described as a handheld communications assistant with a touch-screen and pen-stylus that allows the user to gather, manage, and share information. It has a calendar, a to-do list, calculator, currency converter, a time-zones map and an address book. Major drawback is that it has low battery life and a blurry screen. However, Newton isn’t a total failure.

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