AT&T has re-introduced its unlimited data plans for Apple iPhone users.

Motorola’s Atrix 4G smartphone is expected to release on AT&T's wireless network in the United States on March 1, according to rumors.

Samsung unveiled a 4G LTE mobile phone with the model number SCH-I510 at the CES 2011.

Apple iPhones are coming to Verizon’s network in the United States this year and the country’s largest wireless carrier says it is confident that it can offer unlimited data plans to its iPhone users.

Motorola Mobility has announced that a Wi-Fi only version of Motorola’s Xoom Honeycomb tablet will be available in April, perhaps starting in Latin America; while Xoom 3G will be released in May.

Acer claims that with Iconia Tab A500, it has the most advanced 4G-ready touchbook up its sleeve.

We have known for quite a while that HTC has been planning a smartphone for Verizon’s 4G LTE network. Now, evidence has surfaced that the new HTC 4G phone might be called Thunderbolt.

Verizon Wireless may pay Apple not to launch its new iPhone on wireless networks other than its own and AT&T’s. This means that Apple will have to give up T-Mobile and Sprint.

SRS Labs has released its WideSurround immersive sound technology for smartphones on the Samsung Continuum Galaxy S, which is now available from Verizon Wireless for about $200 with a service contract in the United States.

Verizon Wireless has announced two new smartphone devices from LG and Pantech.