If reports are to be believed, Facebook is working with mobile phone maker INQ Mobile Ltd to create two smartphone devices that may have a network tie up with AT&T Inc.

According to sources, the devices, which will feature Facebook social-networking services, are due to be introduced in Europe in the first half of 2011 and in the U.S. in the second half. AT&T, the second-largest U.S. wireless service provider, is still considering whether to carry the devices and haven’t made a deal yet.

According to Jaime Schopflin, a spokesman for Facebook, the company’s current projects included deeper integrations with some manufacturers.

According to the company, it continues to work with INQ Mobile, which has previously sold phones with Facebook features, along with other companies.

INQ Mobile, which is based in London and is backed by Hong Kong telecom firm Hutchison Whampoa Ltd.