Foursquare lets you win virtual mayorships, but what about winning people’s hearts? A new iPhone app called Singlesquare builds a location-based dating service on top of Foursquare’s check-in technology. The app, which is free, came out this week. It’s based around ‘sightings’ of single people in public venues, like bars and clubs. You can post a …

Samsung spilled details about a new Android handset on its Web site today, though it conveniently left out any carrier or release information. But no fear, as the device’s model number tells us quite a bit. The SCH-i100, or Samsung Gem, should be headed to Verizon Wireless or U.S. Cellular. We know that by the “SCH” in its model number. …

Moments after T-Mobile CEO Philipp Humm mentioned the upcoming Samsung Vibrant 4G at a press conference in New York, T-Mobile and Samsung confirmed the news in a press release. The statement doesn’t say much, which makes us think that Humm got ahead of himself in spilling the beans about the Vibrant. T-Mobile won’t confirm specs or a release date at …

Samsung Vibrant owners may be getting sweeter later this month. T-Mobile will begin updating the Samsung smartphone from Android 2.1 to Android 2.2. Subscribers will begin seeing the long-awaited changes as soon as January 21, though the rollout will come in waves–not everyone will receive a call to update on the same day. In addition to serving Vibrant owners some …

Keynotes at technology trade shows can be hit or miss. Sometimes you’re privy to an hour of juicy news (Verizon at CES 2011) and other times you get only dancers, emcees in wolf hats, and an exec boasting about his fabulous company (Samsung at CES 2011). CTIA 2011, however, promises a good show. On March 22 the opening day keynote …

Sony Ericsson is preparing to launch the Vivaz 2, an Android-powered successor to last year’s Symbian-based Sony Ericsson Vivaz. The new handset — also known as the MT15i or “Halon” — has not been announced, but Mobile-review has already got its hands on a pre-production model. The Vivaz 2 has a larger and sharper screen, and sports Sony’s Bravia TV …

iPhone app Instagram has more than 1 million users sharing their filtered photos with friends. At least one of them is a major celebrity too — Snoop Dogg. That’s right: the US rapper is posting pics using Instagram, which he’s also tweeting to his nearly 2.5 million followers on Twitter. Admittedly, he’s only posted two photos so far, as TechCrunch …

Almost three years after we first saw Modu at Mobile World Congress, the tiny phone maker will close down next month. According to the Israeli news site Ynet, Modu raised $123 million and owes $21 million to an Israeli bank in addition to unpaid employee salaries. Modu caught a lot of attention at Mobile World Congress in 2008 when it …

Now playing: Watch this: AT&T F160 1:38 Don’t be fooled by the AT&T F160’s plain-Jane appearance. It may not cost you a cent when you sign up for a new two-year contract with AT&T, but this isn’t the sorry, underpowered clump of electronics you might expect a carrier to throw you gratis. Instead, you’ll find a quite decent cell phone …

NEW YORK–T-Mobile USA and its parent company Deutsche Telekom are getting more aggressive in the U.S. mobile market, top executives at the companies said at an investor conference here today. T-Mobile USA CEO Philipp Humm Rene Obermann, CEO of Deutsche Telekom, T-Mobile’s parent company, said he expects the carrier to make a turnaround this year and to generate $3 billion …

The pristine polygonal Virtua Fighter series remains beloved by hardcore beat ’em up fans, but will their ardour extend to a buttonless version for iPhone? Sega hopes so: Virtua Fighter 2 has just gone live on the App Store. It’s the first Virtua Fighter game to be released for iOS devices, although a version of the original Virtua Fighter did …

We take a look at a pie-in-the-sky concept for the Android phone of the future, the old school T-Mobile Sidekick may return as an Android handset, and a YouTube series shows how an Android phone could save your job if you find yourself trapped under a vending machine for a month. All of that and more on this week’s edition …

Verizon Communications has fired the first shot in the legal war to dismantle the Federal Communications Commission’s new Net neutrality rules. The phone company today filed an appeal in the U.S. Court of Appeals for the District of Columbia Circuit challenging the FCC’s Report and Order on rules dealing with the issue of Net neutrality. Michael E. Glover, Verizon’s senior …

Apple doesn’t look kindly on people who jailbreak the iPhone, but Microsoft is taking a more relaxed approach for Windows Phone 7 in the hope it will lead to a thriving scene of homebrew apps and games. The company has offered to send a free WinPho handset to George Hotz (pictured above left), reports The Escapist. Who? Young master Hotz …

O2, T-Mobile, Vodafone, Tesco Mobile, 3 and Orange are all jumping into the jelly wrestling pool for the fight over our iPhone 4 cash, but we won’t leave you to compare the deals on your own. Our bank of supercomputers, aided by an almost infinite team of monkeys, will find the best iPhone 4 prices for you. With T-Mobile pulling up …