Let your phone discharge and recharge it in shutdown mode! If you know how to clear cache! Or else force restart by pressing power and volume down button for 8 secs! And wait it should get solved!
Thanks for being with Samsung and sharing your concern. We would like to inform you that please check by another original Samsung OTG cable. Else please report this to service center for physical inspection of your device. Please find the service center details on the link below :http://www.samsung.com/in/support/servicelocation/ Be sure to hit ♡ when you find an answer that works for you.
