BARCELONA, Spain–Samsung Electronics admitted that its attempt to breach the tablet market has largely been …

Now playing: Watch this: HTC One X hands-on 1:32 HTC has charged forth into Mobile World Congress this year with all guns blazing and a mighty quad-core monster at the helm. Rich Trenholm bravely went hands-on with its beastly new blower, the HTC One X, at the annual phone expo in Barcelona. You can take a good old gawp at …

Now playing: Watch this: Samsung Galaxy S Advance 1:02 BARCELONA, Spain–Amid all the Samsung Galaxy devices shown so far at MWC, these three barely saw the spotlight, if at all. Well, it’s time to turn on the diva lights for the Samsung Galaxy S Advance, Samsung Galaxy Mini 2, and Samsung Ace Plus, even if for just a minute. Now …