Lowest price for an S4. Walmart has a Samsung Galaxy S4 Straight Talk Smartphone Sale in Black (pictured)  for $249 + Free Shipping. Free Shipping.

Their no contract monthly plan starts at $45/month with 3GB of high speed data. Review

Learn: No-Contract Plans, Unlocked Smartphones

Choosing the right plan for you is time consuming and can also be a hassle. We've done the research and you may save over $1,000 each year! Be sure to check out our no-contract Smartphone plan article: How to Find the Best No Contract Smartphone Plans where we compare all of the major network carriers. Check out our How to Buy an Unlocked Smartphones article to learn what it means to have an "Unlocked" Smartphone.

Important Information:

• Unlocked GSM cellphones work on AT&T and T-Mobile in the USA with a microSIM. No LTE support.

Samsung Galaxy S4 Specifications:

• Color: Black
• Large 5" Super AMOLED HD 1080p screen
• 1.6GHz Eight-core Exynos processor
• GSM Quad band (850 / 900 / 1800 / 1900MHZ)
• 2 GB RAM
• 16GB built in storage
• 13MPixel camera w/ 1080p video capture, 2Mpixel Front Camera
• Bluetooth 4.0
• Android 4.3 (Jelly Bean)
• MicroSD slot for expansion slot (up to 64GB)
• Wireless N Wi-Fi
• MHL 2.0
• Temperature and humidity sensors
• Near Field Communication (NFC) for transactions, data exchanges and other short-range wireless interaction.
• Built in IR Blaster
• 4.6 ounces
• 5.4 x 2.75 x 0.3 in

Low Cost Service Plan with Unlimited Talk, Text, and Data

T-Mobile offers a web exclusive pre-paid plan great for unlocked phones:

• $30/mo for Unlimited Web & Text with 100 Minutes Talk

Straight Talk, a prepaid carrier that is owned by Tracfone and Wal-mart, sells micro SIM cards for the that cost $14.99 + Free Shipping.  You can pop these into any AT&T-compatible, T-Mobile-compatible, or unlocked GSM phone.

• $45 a month buys you unlimited talk, text and data with no contract or credit check.