Cellunlocker unlocked iPhone XS Max in 15 working days successfully. The timeframe given when I ordered was 1 to 15 days, so within their delivery window, though I understand from reading some posts it can sometimes it can take longer. The iPhone was locked to Verizon and I own the phone outright. Verizon refused to unlock the phone on request due to what they indicated which was the phone was not on their service for more than 60 days. Used AT&T sim and the phone unlocked right away, first try by following directions provided. Satisfied with service and would use service again.