Galaxy Note 3 accessories already available
First Samsung Galaxy Note 3 accessories are already available for purchase on Amazon, Hyperion Electronic Accessories' extended battery with white or black cover selling for $4.99. This item's description also seems to provide information regarding the availability of the device in more variants and the fact that T-Mobile and US Cellular may offer different versions.
The Samsung Galaxy Note 3 phablet will be released on September 4, but various reports claim that many carriers in the United States are already getting ready to support the device. The description of the extended battery mentioned above contains references to models for AT&T, Verizon, and Sprint, but an international variant is also present in the compatibility list.
Considering the lack of T-Mobile and US Cellular from this list, it is very likely that Samsung's Galaxy Note 3 will be available in a different version for these two carriers that have supported Samsung devices for a long time. This version could to require a different extended battery with cover, but it is also possible for T-Mobile and US Cellular to introduce the Galaxy Note 3 later than the other carriers.
Nothing is official yet, but reliable information regarding the first wireless operators to carry the Samsung Galaxy Note 3 in the United States should become available later this week.