剛買了Z3+，不過插了一些otg線加隨身碟，都沒有反應，用原本的手機都沒問題，難道Z3+不支援otg？可是在設定裡又有看到外部usb裝置支援？
http://forum.xda-developers.com/xperia-z4/help/usb-otg-support-t3144008
Have you tried USB OTG on your Z3+ or Z4 and nothing is happening? If you are wondering if your Xperia Z3+ or Z4 supports USB OTG it does but it is disabled by default. Here's how to enable it:
https://www.youtube.com/watch?v=eMhARTqhGc8
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