HTC has unveiled the HTC Desire 500, a new entry-level Android handset which takes a few design cues from the HTC One S and the One SV. The HTC Desire 500 features a 4.3-inch WVGA display, 1.2GHz quad-core Qualcomm Snapdragon 200 processor, 1GB of RAM, 4GB of internal storage, microSD card slot (up to 64GB),…