Back in December, rumors were swirling that Samsung was getting ready to unveil a 10.5-inch AMOLED tablet in early January. Once January came and went with no such announced, the rumors slowed. Now, SamMobile is reporting that Samsung has begun work on the rumored tablet in a real way. According to the latest unconfirmed report, the it will have a display resolution of 2560×1600 pixels and, will come in Wi-Fi, 3G, and LTE variants.