Two variants of the Samsung Galaxy Tab 4 8.0 have been spotted on Zauba.com website, namely the SM-T337A and SM-T337T.
According to Zauba listing, the SM-T337A is coming to AT & T, while the SM-T337T is on its way to T-mobile USA.
In April, Verizon-branded Samsung Galaxy Tab 4 8.0 (SM-T337V) has received FCC Approvals.
So far, we have not seen the Samsung Galaxy Tab 4 8.0 for Sprint.
For your refernce, Here is the list of Samsung Galaxy Tab 4 8.0 model vairants:
For your information, The Samsung Galaxy Tab 4 8.0 sports an 8-inch display with 800 x 1280 pixels, and features: a 3MP rear camera, 1.3MP front-facing camera, quad-core 1.2GHz Qualcomm Snapdragon 400 processor, 1.5GB of RAM, and a 4,450 mAhh battery. It runs on Running latest Android 4.4 KitKat OS.
Source: Bluetooth SIG