The LG G3 is available for purchase at several U.S. carriers and retailers; officially and unofficially.

AT&T Inc. (NYSE:T) began offering the new flagship smartphone from LG Electronics Inc. (KRX:066570)  to customers on Friday as planned. The LG G3 is available at AT&T retail stores and online for $199.99 with a two-year contract and for $24.17 per month or $29 per month, respectively, under AT&T’s Next 18 and Next 12 installment plans.

Sprint Co. (NYSE: S) originally announced it would open pre-orders for its LG G3 model on Friday; however, it appears that the device is already available for purchase. Sprint’s online purchase page for the LG G3 indicates that the device is currently in stock at several in-store locations. Customers can buy the LG G3 for $199.99 with a two-year contract or $0 down (plus tax) and $25 per month for 24 month under Sprint’s Easy Pay plan. Sprint is exclusively carrying the LG G3 in its Shine Gold color option in the U.S.

The LG G3 is also now available at Best Buy Co. (NYSE:BBY) for AT&T, Sprint and Verizon. Best Buy is currently offering the device for $99.99 with a two-year contact on all three carriers.

Several T-Mobile US Inc. (NYSE:TMUS) customers told TmoNews that they began receiving their LG G3 handsets on Friday. T-Mobile plans to release its LG G3 model in stores next Wednesday; however it’s common for carriers to begin shipping devices to customers who pre-ordered early a few days before its actual release. T-Mobile is offering the LG G3 for $0 down and $24.95 per month for 24 months under its "Simple Choice" or for $598.80 at full retail price.

Verizon Communications Inc. (NYSE:VZ) appears to be sticking with its July 17 release date for the LG G3, though the device is now available for pre-order. Verizon will offer the LG G3 for $99 with a two-year contract and for paying $29.99 per month for 20 months under the carrier’s Edge program.  

The LG G3 features a Qualcomm Snapdragon 801 chipset clocking in at 2.5GHz, a 5.5-inch Quad HD (2560x1440) IPS display with a 538ppi pixel density, 2GB or 3GB of RAM, 16GB or 32GB internal storage options with microSD support up to 128GB, a 13-megapixel rear camera with OIS and Laser Auto Focus and a 2.1-megapixel front camera, a 3,000mAh removable battery and the Android 4.4.2 KitKat operating system. The LG G3 includes connectivity and sensors such as LTE, HSPA+ 21, Wi-Fi 802.11 a/b/g/n/ac, Bluetooth Smart and NFC. The LG G3 will be available in Metallic Black, Silk White, Shine Gold, Moon Violet and Burgundy Red color options.

Follow me on Twitter.