Actual size of HTC One mini. depthmm (Inch); heightmm (Inch); weightg (oz); widthmm (Inch); screen-sizeInch. The HTC One Mini is an Android smartphone designed and manufactured by HTC. Alternatively known as the HTC M4, HTC e or HTC s, the One Mini is a mid-range variant of HTC's flagship high-end smartphone, the HTC released: August HTC One Mini: A great-looking phone with a fantastic screen and smooth operating system. An Android handset with few compromises.