First off.. it doesnt seem to be a scam. But they aren’t worth your time. I stupidly bought a s21 fe 5g from Boost mobile with out realizing they lock phones for 12 months. So I resorted to Doctorsim. Took them 3 days to tell me they couldnt unlock one of the most common popular samsung phones there is. Lol.. They refunded my paypal but if you cant unlock that phone, what the heck can you unlock? Lol.. They should be checking this before they charge people. Like how do they not know they cant unlock a certain phone ahead of time? So yeah.. dont waste your time.