Hong Kong's mobile user base grew to 15.81 million in July from 15.79 million in March, according to figures from the Office of the Communications Authority (Ofca). Of the total, 8.39 million were prepaid users and the number of postpaid users stood at 7.42 million. The number of 3G/4G customers grew to 8.72 million for the month from 8.54 million in the previous month. Furthermore, 1.27 million mobile users connected through an MVNO. The total number of SMS sent dropped to 460.83 million, or 34 per subscribers, versus 490.21 million, or 37 per subscriber, a month earlier. Mobile data usage grew to 659.2 MB per customer in July from 642.8 MB per customer in June.