Why do cellular carriers lock their phones? Most of the phones in the market allow one network. If you are Samsung S10+ user and your phone got locked during changing network carrier then don't worry. Unlock unit provides you code for unlocking the phone with 100% safe and secure steps. You should ensure that your phone is locked for that you need to insert another network SIM card and if there comes a message "Unlock SIM".
If you want to unlock it you need to dial #06 on your phone. Send the proper details such as country and operator including with 15 digits IMEI number to the unlock unit. They will prove you a code and your phone will be locked in seconds.