Recent wireless deals from Verizon and Sprint offered new twists on those "unlimited" plans, which are hugely popular with consumers.

Sprint's offer – which is valued at at least $600 (see details below) – might seem somewhat reckless for a carrier that is contending with negative cash flows and a sizable debt load.

For those who only want a single line, Sprint is far cheaper than AT&T's $65 a month, T-Mobile's $70 and Verizon's $75. Prime Day Deals: Shop sales in tech, home, fashion, beauty & more curated by ...

Sprint hosted a press event in Chicago June 23 to—like T-Mobile did the week before in Seattle—talk up major improvements to its network and announce an offer to let consumers try it out for free.

Sprint's offer is good for up to five lines on a single account, with each getting 2 gigabytes of data each month and unlimited calls and texts. It begins Friday and runs through Sept. 30.

Sprint donned its boxing gloves with an extravagant offer to cut monthly wireless rate plans in half for new customers who switch to Sprint from either Verizon Wireless or AT&T.

Even combined, T-Mobile and Sprint would still be smaller than their two largest rivals, but that didn't stop the re-energized upstarts from taking aim at some big game this week. While they ...

Sprint has publicly acknowledged that its network isn't as good as those of its rivals, forcing it to lower prices. That's one thing to keep in mind before taking up Sprint on its latest offer ...

Sprint Nextel Corp, the majority owner of Clearwire Corp, has offered $2.1 billion to buy the rest of the wireless service provider but it may have to raise its offer to get enough shareholder ...

Under Sprint's plan, insurance would cost an additional $11 a month, while 2GB of hot-spot data tacked on to its unlimited plan would cost another $20. There's also a 1GB option for $10 a month.

NEW YORK -- Verizon recently announced an unlimited wireless calling plan — voice calls only — for $99.99 a month. AT&T quickly matched. By throwing mobile data into the mix, Sprint has upped ...

Sprint changed its fee policy last year, and since September 9, 2011, it charges $350 per device to terminate a contract. The early termination fee is prorated, which means that as more time ...