Recently, Samsung revealed that it will launch its next lineup of flagship tablets, the Galaxy Tab S12 series, in the second half of this year. The lineup is expected to consist of two models: the Galaxy Tab S12+ and Galaxy Tab S12 Ultra. Now, the brand appears to have taken another step toward their launch.Samsung has gotten the Galaxy Tab S12 series certified by the Bluetooth SIG (1, 2). The certification suggests that the company is preparing to launch its next-generation flagship tablet lineup soon. It also reveals the model numbers of the tablets, shedding some light on their variants and connectivity options. Samsung Galaxy Tab S12 Plus and Galaxy Tab S12 Ultra listing on Bluetooth SIG | Source: Bluetooth SIG According to the model numbers, the Galaxy Tab S12+ will be available in both cellular and non-cellular variants. The cellular version will reportedly be offered in carrier-locked variants for the US, as well as versions specific to South Korea and Europe, alongside an international model.The Galaxy Tab S12 Ultra will also reportedly be available in cellular and non-cellular variants. However, the cellular model appears to be limited to international and South Korean variants. Unfortunately, the Bluetooth SIG listing doesn't reveal any other details about the tablets, including their Bluetooth version.