How to solve this problem
Hii apple community I'm stucked in very bad situation because I'm recently buy a second hand iphone 13 device which is in warranty. The original owner is my friend so I trust him so that's why i do not remove their apple id from my device but know after 10-15 he on the lost mode on my know i pay for this device. Now he don't remove this lock I was in very big trouble beacuse of this problem Now i want to know the solution for this problem
iPhone 6, iOS 12