Default Which devices support USB OTG?

Below are some smartphones that offer the USB OTG compatibility.

*Sony Xperia Z, ZL, Z Ultra, Z1
*Samsung Galaxy S2, S3, S4, Note 1, Note 2, Note 3
*LG Optimus G, G2
*HTC X, One, One mini, One max
*Google Nexus 5

If you’re not sure whether your device has the capability of acting as an OTG host, you can easily figure it out by downloading a free app from the Play Store called USB Host Diagnostics.