Google Inc. to replace Apple Inc. smart phone software provider in the United States the second most popular in the first quarter of this year, a new sign of rising competition in the fast-growing mobile market.

Google’s with Android success among the leading mobile software players tarnished by the news on Monday that mentioned that Google had lost its key partners to improve its position in the industry when the company was selling phones directly to consumers via its website.

Someone who represents Sprint on Monday said that the company will no longer support the Nexus One, a sleek smart phone with touch screen which Google developed with HTC, and sold directly through the Google site.

Sprint said the Nexus One does not use his network because it will cater for HTC EVO 4G phones, which will also run with the Android operating system, and is compatible for high-speed next-generation networks that cater for specific markets.

Sprint’s decision to stop support for Nexus One came a few weeks after Google admitted that a mobile version of running off with the Verizon Wireless network. Google initially promised a version of the Nexus One Verizon Wireless network in the spring.

In a report earlier this year, the company estimates that Google’s Flurry analyzer has sold 135 000 phones Nexus One in the first 74 days on the market, compared with 1 million iPhones were sold in the same period in 2007 when Apple release it.

Smartphone operating applying artificial Google, Android, according to NPD Group, controlled 28 percent of smart phone sales volume in the U.S. in the first quarter, behind Research In Motion Ltd., manufacturer of the Blackberry which controls 36 percent market share.

Smart phone consumers to surf the Web, send emails and run applications specifically, a color screen, and replace regular phones for many consumers in the U.S..

Competition devices have become the main battleground for technology companies who are looking for the best positions in emerging markets.

Last month, Hewlett-Packard Co. will pay 1.2 billion dollars to acquire Palm Inc. has sold its smartphone models with the operating system WebOS.

Microsoft Corp. has launched a pair of smartphones months ago by changing the mobile operating system versions.

Apple has sold more than 51 million iPhones since launch the company to gain widespread recognition in 2007 and more than 200 000 applications available for this phone.

In the first quarter, the iPhone uses Apple’s proprietary wireless network AT & T in the U.S., fell to third place in the smartphone operating system market, while keeping control of 21 percent as the previous quarter.

Unlike Apple’s, Google offers Android software to many mobile phone manufacturers. In April, Google said a dozen vendors offer about 34 different devices using the Android software.

NPD analyst Ross Rubin said strong growth Android phone in the first quarter thanks to Verizon Wireless promotional services, who said he developed the bidding to buy one, get one. Verizon Wireless is a joint venture of Verizon Communications Inc. was founded and Vodafone Group Plc.