I want to connect a pendrive to my device Samsung Galaxy Core with an OTG cable. Can you explain how I can do this?
Your device does not support OTG. Download the below app and check for yourself. https://play.google.com/store/apps/details?id=com.homesoft.otgtroubshooter
The app. detects and offers solutions to issues around USB Host and OTG cables. It's designed for the Nexus series, but should work with any Android device.
This app. does not offer support for USB devices. It simply detects whether they can be supported. It also detects certain Android bugs that may be affecting your system.