Available on prepaid carrier MetroPCS, the Optimus L70 features a dual-core processor, a 4.5-inch screen, and a 5-megapixel camera.
The HTC Desire 610 may be affordable, with an iPhone 5C-style plastic body, but its mediocre specs and poor screen resolution mean it's still not a good buy. For much less money you can grab the 4G Motorola Moto G, which has the same processor, Android KitKat software and a higher resolution display.
Sporting a 4.7-inch touchscreen, Android 4.4.2 KitKat, and a quad-core processor, the LG Optimus L90 is an affordable mid-tier handset for T-Mobile.
Still, fragmentation remains a thorn in the side of Android, especially compared with the relative ease of Apple's iOS updates.
Android 4.4 KitKat brings Android to the masses, introduces a minimal design, and puts Google search in your dialer.
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The Motorola Moto E is unquestionably cheap and has a set of specs that makes it more than capable of handling your basic everyday tasks. Its price, however, isn't much lower than the Moto G, which has a better camera, more powerful processor, improved screen and longer battery life. Unless you're shopping on a very tight budget, the Moto G is still the best value phone around.
The company says that the devices will run KitKat as standard and include some updates to native apps.
Big Red has begun the process of updating a handful of phones lineup with the latest version of Android.
Motorola's latest cheap phone brings a 4.3-inch display to the party, as well as cutting-edge Android. Find everything you need to know in our hands-on video.
Most versions of the Samsung Galaxy S3 won't be getting the upgrade to KitKat. The LTE version of the S3, however, will be eligible for the Android 4.4 upgrade.