The HTC Desire 510 is the Taiwanese company's latest addition to its Desire line up, a range of budget and midrange smartphones that feature some of the latest mobile technology that you'd normally find in more expensive handsets. Previous entries in this series include the HTC Desire 610 and the HTC Desire 816, which are both good ? if rather unremarkable ? smartphones. The hook with the HTC Desire 510, according to its manufacturer, is that it is the cheapest LTE-capable smartphone it has made. At £149 (US$248, AU$265) the HTC Desire 510 isn't the cheapest 4G handset on the market, with the EE Kestrel coming in at just £99 (US$165, AU$176). It's pretty much the same price as the Motorola MOTO G 4G, which can be had for around £155 (US$256, AU$276), and quite a bit cheaper than the OnePlus One's price tag of around £250 (US$414, AU$445). The promise of a blisteringly fast 4G data connection wrapped in an affordable handset is certainly a tempting offer? 4G connection speeds and display The 4G connectivity of the HTC Desire 510 is the headline feature of this budget handset. It's not alone in the market, however, with the EE Kestrel and Motorola MOTO G 4G also offering 4G on a budget.