"Facebook needs somebody with an understanding of networking, technology, carrier relationships and logistics," he said. "They can acquire one of these two players for not a lot of money."

Many experts have that Facebook should build a smartphone, noting that the market is already crowded with the and various Android smartphones leading the way.

But Amsellem said Facebook desperately needs to "do something in mobile" to find a new technology sector where it can grow aside from its popular social networking software. Facebook has 900 million active users each month, with more than 500 million accessing Facebook from smartphones and .

Facebook admitted in its IPO filing with the Securities and Exchange Commission that users' shifting from desktop and laptop computers to mobile devices were , which aren't as predominant on the mobile platforms.

Rather than produce a "Buffy" code-named next year, as reported last November, Amsellem said Facebook has more time to bring a smartphone to market and to develop a strategy with Microsoft and Nokia. The New York Times recently reported that HTC is working with Facebook on a smartphone, even though they had previously worked together on a phone, called the ChaCha in the U.S. and Salsa elsewhere, that flopped.