How to use otg pendrive in vivo phone

How to use otg pendrive in vivo phone. Now external pen drive storage is available in file manager ************************************************************************************ If you are really interested in my video please follow me on YouTube and Facebook …………………………………………………………………………………………………. Subscribe to my channel:    / channel   FACEBOOK GROUP:   / 411530109484518   FACEBOOK PAGE:   / itmagicsbd   ………………………………………………………………………………………………….. Background music:    / channel