When the HTC One launched back in February, the release date was set for mid-March. Or around now, if you like. Sadly, that date has now slipped.Retailers started to push back the launch date, which was followed by an official statement by HTC itself. It said: 'We will start fulfilling pre-orders by end of March in certain markets and will roll out to more markets as we approach April.'No one is quite sure of the reason, although parts shortages have been rumoured in the past. Additionally, no one is quite sure of the exact launch date for the UK either, although retailer Clove is talking about availability around 29 March. So not too long to wait if the networks keep pace with that date.If you missed it, the One offers a large 4.7-inch Super LCD 3 display with 1080p HD resolution, a Qualcomm Snapdragon 600 chipset, a quad-core 1.7GHz Krait 300 processor, Adreno 320 graphics, 2GB RAM, the new Sense 5 interface and Android Jelly Bean (4.1.2) for the operating system.It all sounds impassive right now, but by the time the HTC One hits the shelves, we will have seen the Samsung Galaxy S IV - which really could impact whether the HTC One is a success or failure.