This is normally Brian's beat but with him busy putting the finishing touches on his review of HTC's One, I thought I'd help out. We're still seeing (and hearing) a lot of confusion about what T-Mobile announced earlier this week with regards to existing and future iPhone support on its network. Brian already went through all of this in his excellent article on the topic, but seeing continued confusion I thought I'd whip up a few diagrams to help explain. For the purposes of this article I'm focusing on compatibility for the current AT&T iPhone 5 (hardware model A1428) as well as the new unlocked iPhone 5 (also hardware model A1428) that will be shipping start April 12. The easiest question to answer is will existing...
Apple to Ship Updated A1428 iPhone 5 With AWS WCDMA Enabled for T-Mobile USA
Back when I did my Qualcomm modems and transceivers piece, I gained a deeper understanding about the cellular RF engineering side of the handset puzzle. Specifically, how an OEM...
30 by Brian Klug on 3/26/2013
T-Mobile Announces AMR-WB (HD Voice) Calls Active on its Network
Last night at CES 2013, T-Mobile CTO Neville Ray announced that AMR-WB (Adaptive Multi Rate Wideband) was enabled on the operator's network, instantly allowing capable phones to place higher...
8 by Brian Klug on 1/9/2013T-Mobile RF Engineer Does Reddit AMA - Answers a Few LTE Questions
In the past, carriers have been guarded if not purposely opaque about things like radio network planning, infrastructure rollouts, and other competitive details. With the smartphone boom well underway...
14 by Brian Klug on 8/8/2012
HTC One S Review - International and T-Mobile
At the very top of HTC’s new lineup are three flagship devices: the One X, its cousin the One XL, and the One S. I say flagship because HTC’s...
97 by Brian Klug on 7/17/2012_carousel.png)
T-Mobile 1900 MHz WCDMA outside Moscone Center - Air Interface Hands On
I just arrived in San Francisco, CA for Google I/O, which we'll be covering live tomorrow, providing the event's 5 GHz WiFi and backup Verizon LTE or AT&T LTE...
5 by Brian Klug on 6/26/2012
Verizon, T-Mobile, Sprint, and US Cellular Announce More Galaxy S III Details | Update: AT&T As Well
This morning, Verizon started something of a firestorm when it posted pricing and preorder information about the Samsung Galaxy S III (SGS3) on its website, with T-Mobile, Sprint, and...
15 by Brian Klug on 6/4/2012
T-Mobile Makes 2013 LTE on AWS plans official in Earnings Report
In T-Mobile USA's fourth quarter 2011 earnings report, the magenta-branded carrier made official its plans to deliver LTE in 2013 on its AWS spectrum holdings, which were recently bolstered...
6 by Brian Klug on 2/23/2012
AT&T Will Not Buy T-Mobile
AT&T has dropped its plans for a proposed $39 billion buyout of T-Mobile, citing interference from the FCC and the U.S. Department of Justice, the latter of which filed...
28 by Andrew Cunningham on 12/19/2011
T-Mobile Introduces Nokia's Lumia 710 Stateside for $50
Mango was a great update to Windows Phone 7, and brings Microsoft closer and closer to feature parity with its competition. But sales don't come close to matching that...
3 by Jason Inofuentes on 12/14/2011
Verizon and AT&T: State of the LTE Spectrum Union
In two deals announced late last week, Verizon Wireless has expanded its spectrum holdings through deals that will give it control over various frequencies, almost all in the AWS...
39 by Jason Inofuentes on 12/7/2011
T-Mobile Introduce HSPA+ Equipped Samsung Galaxy Tab 7.0 Plus
With the WiFi SKU just a week from release, we knew we'd see a cellular radio sporting SKU crop up sooner or later. And so, T-Mobile and Samsung announced...
5 by Jason Inofuentes on 11/8/2011
T-Mobile Samsung Galaxy S 2 Available October 12
This morning, Samsung officially announced the last set of details surrounding the relatively enigmatic T-Mobile Samsung Galaxy S 2, which we have been following pretty closely. First up, Samsung...
5 by Brian Klug on 9/26/2011
Department of Justice Files to Block AT&T-T-Mobile Merger
The United States Justice Department has filed to block AT&T's proposed buyout of T-Mobile today, saying that the merger would "remove a significant competitive force from the market." The potential...
16 by Andrew Cunningham on 8/31/2011
Why I Believe T-Mobile's Galaxy S II Uses a Qualcomm SoC
Earlier tonight Samsung announced all three US variants of the Galaxy S II: the Galaxy S II on AT&T, the Galaxy S II Epic 4G Touch on Sprint and...
8 by Brian Klug on 8/31/2011
T-Mobile MyTouch 4G Slide Review - Photographers Wanted
When T-Mobile launched the G2, I was super psyched. It was an HTC-designed slider, ran the stock Android UI, and happened to be one of the first phones running...
24 by Vivek Gowri on 8/12/2011