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*Supported devices: Xperia™ Z3+. Usage measured against Sony Mobile’s Average User test profile (2014) (including calling, texting, web browsing, social networking, game playing, music listening, picture taking, picture browsing, online video watching, video recording and playback).
However this page says different http://support.sonymobile.com/global-en/quickchargeruch10/faq/
Maybe this helps:
http://www.xperiablog.net/2015/07/02/these-sony-xperia-devices-support-qualcomm-quick-charge-2-0/
If you read the article from xperiablog,there is something about DK48 supporting 2.0 for Z3c. Maybe @Samuel can shed light on this.