HTC One X+ Rumors: AT&T 4G LTE, Quad-Core Adam Mills09/13/2012 The sequel to AT&T’s HTC One X, the HTC One X+, passed through the FCC today on its way to AT&T’s 4G LTE network which means it will likely have both 4G LTE and a quad-core processor on board when it arrives. Engadget discovered the FCC filing which is for a device called the PM63100, a name that is rumored to be the successor to the AT&T HTC One X, the HTC One X+.Advertisement The filing doesn’t reveal much but it does confirm the device’s support for AT&T’s 4G LTE network, a network that would allow the device to gather speeds up to 10 times faster than normal 3G. Read: HTC One X+ Detailed in New Leak. The HTC One X+ for AT&T is rumored to have 4G LTE and quad-core.Advertisement Previous leaks say the HTC One X+ is also sporting a quad-core processor which means that the HTC One X+ may join the Galaxy Note 2 as being the first devices to feature quad-core processors and 4G LTE data speeds in the United States.Advertisement HTC scheduled an event for September 19th and it’s certainly plausible that the company will show this device off at that event in New York City thus replacing the HTC One X, one of AT&T’s current flagship Android models. Other HTC One X+ specifications are rumored to include a 1.6GHZ quad core processor, a 1.7GHz single core, a 1800mAh battery, 32GB of storage space, and 1GB of RAM. It’s also said to have Android 4.1 Jelly Bean with HTC Sense 4.5 on board, Google’s new mobile software software and it’s also rumored to have a design that weighs 129 grams to go along with a 9.3mm design.Advertisement That’s quite bulky compared to the iPhone 5 which launched yesterday with 4G LTE data speeds, a 4-inch display and a design that checks in at 7.6mm thin. As for the display, the HTC One X+ is rumored to have an HD display of unknown size though we imagine it will be fit the mold of current Android smartphone and rock a large screen. In addition to AT&T, it’s also rumored to be coming to T-Mobile. The HTC One X+ is going to have quite a bit of competition as it will face the iPhone 5, Samsung Galaxy Note 2, Motorola Droid RAZR HD and likely, a Nexus device at some point down the line.