I dropped my cell phone an hour ago and someone took it. I want to send him a message similar to fraud and ask him to give me another phone number.

At this time, it is best not to threaten or accidentally return. If others don't steal, they won't rob. People carry forward the style, naturally return it to you, and it is reasonable not to give it to you. If you offend someone, if he abandons you, he will just watch. You'd better put a top hat on him and say something soft. What's in your mobile phone is very important to you, so that you can really impress each other. Never flatter him without it.