Check if Your phone has been reported as lost or stolen. It is Global WorldWide database to check any IMEI - iPhone, Lg, Huawei, Samsung, Sony, Nokia etc. IMEI blacklist check is for free. Blacklist database includes IMEI numbers of phones that were bought in a contract and the owner stopped to pay bills. If your phone is on blacklisted, it is very possible that you will not be able to use your device with any local operator or even all operators.