USB OTG Checker is chekers free tool that can quickly and effectively to free fully check and verify your Android device system USB OTG capabilities without Rooted your Android Phone or Tablet.If your device can support USB OTG , then mean that your device can be use to connect to standard USB input device such as keyboard, external storage, and usb flash drive etc. by OTG usb connectorOTG checker is an easy way to test if your Android device supports USB On-The-Go (OTG) - USB Host.like connect usb flash drive If the USB device is detected, USB OTG is supported by your Android device.or if OTG checker say OTG is supported in your android phoneUSB OTG Checker let you to check, - Check Device OS on USB OTG: Your device operating system or custom ROM has the USB OTG API?- Check USB OTG Signal: Your device has load with USB OTG driver or kernel to communicate to the USB OTG Connected device- OTG checker it's work without root permissions so you dont need the root in your deviceOTG checker Allow you check if USB host functions are enabled on your Android-powered device.Starting from Android 4, applications can use functions of USB host, but many devices have this functionality disabled-*** Feel free to email me any questions and give me suggestion about OTG usb checker tools. I will try to improve the USB OTG Checker tool and fix any bug! Thanks!!