The Lumia 635 is no stranger to price-cutting promotions, and with the latest offer, you can get $30 off the 4G Windows Phone, bringing its price down to $49.99 off-contract on T-Mobile.
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iPhone users on T-Mobile are seeing big problems with their handsets as the Apple devices have started to randomly freeze and display the blue screen of death, which is quickly followed by a restart.
A week after T-Mobile's Galaxy S6 and S6 edge became the first to receive the latest Lollipop version, the carrier has now released Android 5.1.1 for Samsung's 2014 flagship, the Galaxy S5.
Microsoft's new 4G Windows Phone, the 5-inch Lumia 640, is now on sale via T-Mobile with a full retail price of just under $130, but the device won't be available to buy at the carrier's stores.
It appears that Microsoft's Lumia 640 will finally be available to buy from T-Mobile US next week - but it also seems that the carrier won't actually be stocking the device in its retail stores.
From Apple's overheating Pill and Google's European problem, to Skype ups and downs, Nintendroids, a PC in a plug, and a $20 phone from Microsoft, it's our regular roundup of the week's top tech news.
T-Mobile has been the target of acquisition for the past several years, but it looks like a new deal might be on the table as sources state that Dish Network is in talks to try to acquire T-Mobile.
Nearly eight months after Android 5.0 was first announced, and almost three months after Sony released the update for the Xperia Z3, Lollipop is finally available for the flagship handset on T-Mobile.
The inexpensive Microsoft Lumia 435 has received a price drop at Walmart as the retailer is now selling the T-Mobile version of the smartphone for just $50 without any contract.
EE says that it's now Europe's biggest 4G network, after reaching 10 million 4G customers - and it also says that the amount of data carried by its network will triple to one exabyte per year by 2018.
Google's Nexus 6 is usually priced from $649, but T-Mobile is now offering both the 32GB and 64GB models of the high-end handset with $100 off - but it's not clear how long this pricing will last.
Weeks after saying the Z3 was "no longer available", T-Mobile has started selling it again - but it's still being sold with Android 4.4, and the carrier says its Lollipop update may be "months" away.
Lollipop is now rolling out to Samsung's Galaxy Note 4 on T-Mobile in the United States - but unfortunately, the update isn't based on the latest Android 5.1 release, but on the older Android 5.0.1.
The Lumia 640 is now listed on the Microsoft Store as 'coming soon', priced at just $89 - a remarkably low price for a handset with a 5" 720p display, Snapdragon 400, 4G LTE, 1GB RAM and 8MP camera.
Just five months after the Xperia Z3 launched on T-Mobile, the carrier has confirmed that Sony's Android flagship is "no longer available", leaving only two pre-owned Xperia handsets in T-Mo's range.
T-Mobile has confirmed that it will roll out its over-the-air Lollipop update for the LG G3 next week, but it will be based on Android 5.0.1, rather than the very latest Android 5.1 release.
Samsung's new Android flagships are available for pre-order in the US now, although they won't actually be available until April 10 - but T-Mo has already rolled out an update to both handsets.
Samsung has announced that pre-orders for its flagship devices, the Samsung Galaxy S6 and S6 edge will begin on March 27 in the US, with the device being available in all three storage variants.
T-Mobile will be distancing themselves from other carriers by offering a free year of Netflix with the purchase of the Samsung Galaxy S6 and S6 edge.
T-Mobile has revealed that the Microsoft Lumia 640 - the new affordable 4G Windows Phone unveiled last month with a 5-inch HD screen, Snapdragon 400 and 1GB RAM - will soon be added to its range.
EE announced the death of its 2-for-1 cinema tickets deal back in December. Its replacement launches on March 30: a £1 movie rental each week from Wuaki.tv (app not available on Windows Phone).
The rollout of the Lumia Denim update is certainly gathering pace - it's now available on the Lumia 925 on T-Mobile US, and is expected to land soon on the carrier's Lumia 521.
The Denim update roll out is in full swing, and now several European countries have started receiving it on the Lumia 920 as well as those on T-Mobile Netherlands.
Denim has finally arrived in The Netherlands on some Lumia models, although the 925 is currently supported for upgrade only on Vodafone and SIM-free; it isn't on T-mobile yet.
A T-Mobile Germany rep said on its forums that the carrier does not intend to update its Lumia 925 and 1020 with the latest Denim release, which doesn't bode well for T-Mo's older Lumia 820 and 920
Android 5.0 will be released later today for the One M8 on Sprint, and the update is already available for owners of the M8 on T-Mobile, who can get a lick of that Lollipop goodness right now.
T-Mobile says it will only release the latest OS update for its Lumia 521 and 925 - and given the carrier's poor support for Windows Phones in the past, its HTC 8X seems unlikely to get Windows 10.
Two of the most enduring brands in the UK mobile market are being phased out from today, as EE is killing off T-Mobile and Orange to focus on selling its 4G services to new and existing customers.
The YotaPhone 2 is probably one of the more unique devices introduced in 2014. Although sales have been confined to Europe, it looks like the device could be making its U.S. debut soon.
From Windows 10 and modular smartphones, to HTC's new flagship, what's next from OnePlus, premium wearables, epic games and more, we look at some of the cool stuff that's on the way in the year ahead.
A Samsung employee has revealed details of its Android 5.0 rollout in the US, including which devices will get the update first, and hints that Samsung is pressuring carriers to speed up its release.
T-Mobile has unleashed a new component to their service dubbed "Data Stash" as part of their Un-carrier 8 movement. "Data Stash" allows users to rollover their unused data and accrue it.
UK telecoms giant BT is in exclusive talks to buy the country's largest mobile carrier group, EE, in a deal worth around £12.5bn, which would include EE's current owners taking a 16% stake in BT.
T-Mobile has announced that its customers will be able to stream music from Xbox Music, Google Play, SoundCloud and a number of smaller providers without any data caps or costs on that data.
T-Mobile is finally selling HTC's Windows Phone 8.1 flagship - priced at $585.60 off-contract, or with $0 down on a two-year payment agreement at $24.40 a month - along with a free Xbox Dot View case.
It looks like T-Mobile might have a powerhouse line-up this holiday season. If a leak is to be believed, they will not only have the Nexus 6 and 9, but also the HTC One (M8) and Samsung Note 4 Edge.
If you use Apple SIM and select AT&T as your carrier, you can no longer change the carrier to something else, effectively ruining the Apple SIM. It is a broad yet unsurprising move from AT&T.
While it has been an impressive day for mobile news, T-Mobile is announcing that they will be offering Sony's latest flagship handset, the Xperia Z3. The handset is slated to release on October 29th.
T-Mobile has confirmed that it will launch Microsoft's low-cost Lumia 530 later this month, priced at $79.20 - but the device will also be available via Best Buy and Microsoft Stores from October 5.
The Lumia 530 - Microsoft's most affordable Windows Phone 8.1 handset - will reportedly be available on T-Mobile later this month, and is expected to be priced at just $69 off-contract.
AT&T is set to roll out a new limited time promotion that will offer current and existing customers the opportunity to double up on shared monthly data plans at no extra cost.
In a recent experiment, T-Mobile's devices lasted longer in battery tests when it was pitted against identical devices from AT&T, Sprint, and Verizon. Some devices lasted up to two hours longer.
T-Mobile has confirmed that the HTC One M8 for Windows will be joining its line-up, although the new Windows Phone 8.1 handset will remain exclusive to HTC's launch partner Verizon for now.
With a pledge to expand on Un-carrier 6.0, T-Mobile has delivered in the way of adding six more streaming services to the mix. Google Play Music will be added by the end of the year.
Weeks after the terms of the deal were said to have been agreed, Sprint has reportedly withdrawn its $32bn bid to purchase T-Mobile US, amid concerns that it would not get regulatory approval.
T-Mobile has confirmed that Microsoft's new entry-level Windows Phone, the ultra-affordable Nokia Lumia 530, will join its range later this year as "the successor to the Lumia 521".
Another leak has revealed that the Windows Phone 8.1-powered Nokia Lumia 1525 will feature the Snapdragon 801 processor and launch on AT&T and Verizon in addition to T-Mobile in the United States.
A previously unheard-of device, referred to as the Lumia 1525, is said to be on its way to T-Mobile, as a possible successor to the Lumia 1520 6-inch Windows Phone that was announced in October 2013.
Nokia's 4G Windows RT tablet, the Lumia 2520, is reportedly headed for T-Mobile, over eight months after its launch, while the Lumia 635 4G Windows Phone is now on sale, with some freebies on offer.
T-Mobile was hit with a lawsuit from the FTC, stating T-Mobile knowingly profited from customers on behalf of unauthorized Premium SMS charges. Legere has responded trying to set the record straight.