The Samsung Galaxy S III / Galaxy S3 Android phone is available from each of the four major U.S. wireless carriers, a rare thing in the world of smartphones.  What isn’t so rare is that three of the four carriers (other than T-Mobile) are selling the 16GB models of the S III for the exact same price on contract: $199 after various promotions, rebates, etc.

But the carriers are getting a great deal of competition from third-party sellers. 

The best  price comes from Amazon for the Sprint 16GB Galaxy S III.  If you’re signing up for a new account, Amazon Wireless has the phone for $119 with free shipping; if you’re already a Sprint customer, the upgrade price is $149.

Want the AT&T version?  The price at Amazon Wireless is $149 for an upgrade, $189 for a new account.  The Verizon Galaxy S III at Amazon is $149, whether you’re upgrading or signing up for a new account.

By the way – if you do want the T-Mobile version of the Samsung Galaxy S III but don’t want to pay the higher $279 price, WireFly has the phone for $199. 

The new HTC Droid Incredible 4G LTE is here; Verizon Wireless is selling the phone for $149 with a two-year contract.

The best price for this new Android 4.0 phone can be found at LetsTalk.  Whether signing up for a new account, or upgrading from a current device (if eligible), LetsTalk has the phone for just $49 with free shipping.  Requires two-year service agreement.

Learn more about the HTC Droid Incredible 4G LTE…

Browse other Android phones…

Buy an HTC One X from AT&T and you’ll shell out $199 with a two-year service agreement, whether you’re already an account holder or signing up for service for the first time.  Buy the same Android phone from Amazon.com as a new AT&T subscriber, and the price falls a bit to $169.

However, in a rather unusual offering, Amazon is currently selling the HTC One X, both in gray and white, for only $119 for current AT&T account holders eligible for an upgrade.  This is odd since the price for upgrading through third-party sellers like Amazon is usually equal to or greater than the price for those signing up for new accounts with new contracts.

So, if you’ve been eying the HTC One X and had been holding off to save a little coin, now may be the time to jump.

HTC One X Android Phone, Gray @ Amazon

HTC One X Android Phone, White @ Amazon

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Counting the days ‘til May 6th?  You can get in line for the upcoming HTC One X from AT&T by pre-ordering now.

AT&T is accepting online pre-orders for the HTC One X Android 4 smartphone, both in gray and white.  With a two-year contract, the direct AT&T price is $199, due at shipping.

Amazon Wireless is also offering the AT&T HTC One X for pre-order (white or gray), but for $149 – a price good for both upgrades and new accounts. Same two-year contract requirement applies. 

Learn more about the AT&T HTC One X…

The Nokia Lumia 900 Windows Phone is now available for pre-order at AT&T for $99 with a two-year contract.  The handset is available in either black or cyan.

Strangely, third-parties are also offering the Lumia 900 for pre-order, an unusual move to be sure.  You can pre-order through Walmart.com for half AT&T’s up-front price, or head over to Amazon.com and reserve a Lumia for just $0.99.

The most anticipated Windows Phone, well… probably ever, will actually arrive in customers’ hands on April 8.  Learn more about the Nokia Lumia 900…