Adding to the ever-growing list of currently unconfirmed devices "capable" of de-throning Apple's new iPhone 4S, a new leaked image of the quad-core-powered HTC Zeta has emerged, alongside fresh "confirmed" tech spec for the fabled device.

First reported by Engadget, the new device will reportedly come equipped with a hefty 2.5GHz quad core CPU backed-up by 1GB of RAM. According to Engadget the device will also house a plus-sized 4.5-inch 1280 x 720 display, HTC's own Sense user interface and be powered by the today released Android 4.0 Ice Cream Sandwich OS.

Additionally the device will pack 32GB of storage, an 8-megapixel rear facing camera with dual-LED flash and 1080p video recording complemented by a 1.3 megapixel front-facing camera. Pausing for breath, Engadget went on to add that the Zeta would contain a 1,830mAh battery and special "Beats Audio technology" -- none of this has been confirmed by HTC.