Honey, it depends on where you do it. If you do it in a 4S store, the price will be more expensive, usually between 4000 and 5000. Of course, this is not the upper limit. Everyone knows that things in 4s stores are notoriously expensive, and the price is tens of thousands. Don't be surprised, because the master of a 4S shop is really good, and he will do it carefully with you, such as polishing.