How to check used iphone before buying

How to check if second hand iphone is original. Check imei before buying used iphone. How to check iphone before buying second-hand. How to check used iphone 11 before buying ************************************************************************************ 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