I had tried to unlock a blacklisted iphone 7 plus. However the seller had sold me a stolen phone and I was stuck. IphoneIMEI was my only option and within a day they responded stating they couldnt do it and had given me a refund back and I got another iphone which was locked and could use the same money for my new phone. Within a day again they unlocked it and I was able to use it with my desired Carrier! Thank you!