Answer to: How to deal with scam, fraud in phone repair business?We document everything in our store. We take pictures of the unit when it comes in and when it is done all techs are required to check when it comes in and before it leaves. takes about 1 to 2 minutes to check everything. Depending on the conditions in your store and if time permits, I even open the phone for the first in front of them. Especially if the phone looks like it has been repaired before. (make sure not by you before you explain faults) lol. Quoting - King Khoo "5. Don't be afraid to ask questions, it is your domain they are stepping in, your forte, not theirs, they cannot BS you. Alot of time you catch them in their lies. By making them talk alot. " Simply ask what happened? it fell off a 10 story building and .... pause wait for the response. Usually you get a third of the store and pay attention. Then shoot back some of your own question and again Pause... let them continue. by the time you are done diagnosing the phone you got half the story. Example of a normal conversation. I always hear with...