By Robert Schoon (staff@latinospost.com) | First Posted: Aug 12, 2013 12:39 PM EDT

The BlackBerry Z10's successor, called the BlackBerry Z30 (for now, at least), has been spotted in a YouTube unboxing video, showing the new handset with an AT&T label, which suggests a U.S. release date through the carrier at some point.

Previously called the BlackBerry A10, the new BlackBerry Z10 successor device has been rumored for about a few months now. An unboxing video has now appeared online, courtesy of Vietnamese tech outlet Channel S via Engadget. In the video, which is in Vietnamese, we see some of the features of the new handset, which looks a lot like a slightly bigger HTC One, only with a black top margin.

Also in the video, we get a peak at the device's mid-plate and back plate. The mid-plate is marked "BlackBerry X00" this time. A previously leaked video, also from a Vietnamese tech group, featured a purported BlackBerry Z10 device with the markings "Z00" on the mid-plate, eventually prompting the informal name change of the anticipated gadget from A10 to Z30. Hopefully the unofficial pre-reveal name won't change again to X10 or X30 this time.

More interestingly, perhaps, is the back plate of the BlackBerry Z30, which is stamped with an AT&T logo. The first report of the new BlackBerry device was based on an anonymous Sprint source that said the company didn't release the BlackBerry Z10 because the new device looked like it was "worth the wait." That report put a BlackBerry Z30 (at the time, called the A10) release date in the U.S. in November 2013. Still, there's no confirmation, and AT&T hasn't mentioned anything about a release date either.

The BlackBerry Z30 is likely to be a larger slate touchscreen than its predecessor, the Blackberry Z10, and will run the most up to date BlackBerry 10 operating system. It's rumored to have a 5-inch AMOLED display, a 1.7GHz dual-core processor (probably a Snapdragon of some kind), an 8-megapixel camera, a 2-megapixel front-facing shooter, and 16GB of internal storage. For another leaked video of the next-generation flagship, check out this video below.

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