T-Mobile has announced the release of the T-Mobile Concord, a new phone recently added to its portfolio of prepaid devices. The ZTE-manufactured phone is compact and lacks features found in most smartphones, but it is low-cost and is a step above the feature phones typically offered to prepaid customers.

T-Mobile has announced a pair of new smartphones that are part of its myTouch line: the myTouch and myTouch Q built by Huawei. Though they have the same name as the myTouch smartphones released last fall, these new models feature larger displays and faster processors than the older versions.

T-Mobile has taken the wraps off of the Prism, a new budget-friendly smartphone that runs Android 2.3 Gingerbread.

Everyone else might be focused on when their Android smartphones will get Android 4.0 Ice Cream Sandwich, but owners of the T-Mobile G2x should be happy to hear that the carrier has released an update to Android 2.3.4 Gingerbread for the device. This update, which follows the Android 2.3.3 update offered last year, promises to finally fix the reboot bug that users have been dealing with since the device's launch. The update is available to users over-the-air through May 14, after which it can be downloaded directly from LG's website.

T-Mobile has decided to pull the plug on its Sidekick 4G smartphone and is, for now, putting the Sidekick line of smartphones on hold until further notice. Our friends at The Verge reached out to the carrier and were told "While the T-Mobile Sidekick 4G is being retired, it doesn't mean we are discontinuing the T-Mobile Sidekick line. T-Mobile continues to update and expand its 4G product portfolio and we'll keep you posted when we have news to share on T-Mobile's latest 4G devices." The T-Mobile Sidekick line is best known for the slide-up or flip-out full QWERTY keyboard found on its devices.

T-Mobile UK has announced a new entry-level smartphone called the Vivacity. The Vivacity features Android 2.3 Gingerbread and has a 3.5-inch display.

Here's a quick look at T-Mobile's new HSPA+ capable Sonic 4G Mobile Hotspot. The Sonic supports sharing its fast data connection with multiple Wi-Fi users and can also be used as a USB-tethered modem.

T-Mobile has added the T-Mobile Springboard with Google to its lineup. A 7-inch tablet that has been manufactured by Huawei, the Springboard features the Android Honeycomb operating system and a dual-core processor.

The T-Mobile myTouch Q is the second of the two new T-Mobile myTouch phones built by LG. It adds a slide-out QWERTY keyboard to the mix and drops some of the features found on its myTouch sibling.

T-Mobile has announced a pair of new myTouch smartphones built by LG, the first of which is the simply named T-Mobile myTouch. The myTouch is a traditional slab-style smartphone that runs Android 2.3 Gingerbread and comes in two colors.