Sprint and Clearwire were first out of the gates with 4G products that use WiMax technology. But Verizon Wireless has big plans for Long Term Evolution, which promises to deliver faster mobile broadband. Wireless carriers are either deploying LTE or planning pilots in the months ahead. If 4G lives up to the hype, it may allow broadband customers to cut the cords for 4G.
Articles about 4G
SingTel, StarHub and M1 are rolling out Voice over LTE services, which leverage the 4G networks, for faster call connections and higher quality audio.
The rollout will arrive later this year for two cities, bringing speeds of up to 182Mbps.
Most customers will be able to upgrade to faster speeds for no extra cost, but those with Apple devices are in limbo.
Virgin Mobile prepaid customers in Australia now have access to the company's 4G network.
That'll be a couple of percent signed up to LTE services, then.
Samsung has released the Galaxy Core LTE for Europe, Asia and Russia, bringing LTE to a cheaper device from the manufacturer.
Whether you put it down to late paperwork or parliamentary protests, the country's LTE auction has faltered on the starting blocks - and it looks like everyone thinks that's a good thing.
Strict legislation in the Belgian capital meant that the home of the European Commission is only now getting access to LTE - but citywide coverage is still at least a year away.
Sprint has some positive momentum and its fourth quarter results tell the tale. The catch is that there are some serious potholes ahead.
What do you do with a company you bought for the spectrum that still has customers wanting to use the service?
Vodafone Australia has rejected a claim by former Communications Minister Stephen Conroy that the company boasts the fastest 4G network because it has no customers.
Mobile makers can no longer block 4G access for certain networks on their devices - a decision that's largely targeted at Apple.
Ahead of the 700MHz 4G spectrum release in 2015, Telstra has conducted a small test of 4G in the spectrum band using a yet-to-be-released HTC smartphone.
Following a fire that destroyed several buildings, residents of Lærdal found their mobile, landline and broadband services downed. Here's how their mobile companies dealt with the crisis - and what happened next.