hi to buy on ebay or not... risks of installed hidden spyware malware . causes of hesitation s23 vs s23 plus (opens in new tab)

HI I wonder if it is easy and recommanded or even possible to do a sort of reset of the phone when we receive if from a ebay seller? can we do a sort of restore to original state to be sure no bad stuff is lingering from the seller or previous user? I hesitate between a s23 from...