No one would be surprised to hear that Samsung, the world's largest smartphone producer, expects its flagship product to see a strong wave of early sales. However, few would have expected to see so many sales so soon.

Millions of mobile phone users in the U.S. and U.K. eagerly await their carriers deploying 4G LTE service, but Samsung is already hard at work developing the next generation technology that will make the fast 4G speeds enjoyed today seem like the old days of dial-up internet.

While the Galaxy S 4, like the Galaxy S III before it, has been accused of having gimmicky software that's fun to show and doesn't offer real value, it's still one of the best Android phones. Here are five Galaxy S 4 tips that you may not have noticed.

AT&T today announced the 32GB model Samsung Galaxy S 4 will go on sale later this week. Beginning May 10, customers who wish to buy an S 4 with higher storage capacity will be able to buy the 32GB model for $249.99 when purchased with a two-year agreement. The extra storage space may prove useful considering that others have lobbied complaints about the amount of available memory in the Galaxy S 4. The system and software features of use up a great deal of storage space, so getting a 32GB model, or purchasing a micro SD card, may be necessary.

Samsung just launched the Galaxy S 4, the company's defining high-end phone for 2013, and the Korean manufacturer today announced a new device for the midrange market, the Samsung Galaxy Core that's set to launch later this month.

The Samsung Galaxy Note - and yes, I'm referring to the original Note that debuted on AT&T in early 2012 - is receiving a big update to Android 4.1 Jelly Bean beginning today.

The Samsung Galaxy Note II on Verizon Wireless is being updated to Android 4.1.2 Jelly Bean today, introducing a long list of new features and bug fixes for one of the biggest phones - literally and figuratively - released last year.

Samsung today announced that it's not quite done with its tablet portfolio. Though the company recently began selling the Samsung Galaxy Note 8.0 and it's 8-inch display, it will soon add the 7-inch display of the Samsung Galaxy Tab 3 to its portfolio.

What happens when the Samsung Galaxy S 4 arrives and takes away all the attention from the Samsung Galaxy Note II, a phone that seemed to possess the best that Samsung had to offer? Is that still true, or is it time to upgrade something fresher?

U.S. Cellular has joined the chorus of carriers who have selected today to clarify their plans for the Samsung Galaxy S 4. U.S. Cellular has informed us that it plans to begin the preorder process for the Galaxy S 4 on Friday, April 26. Customers who purchase the phone can expect devices to arrive soon because orders will be processed and shipped the same day. U.S. Cellular retail locations will begin the in-store sales process on Tuesday, April 30. U.S. Cellular will offer the Galaxy S 4 for $199.9 with an instant rebate.