If you do not meet carrier requirements or bought a used phone that is locked, you can use a paid third-party service. These are not software tools you download; rather, you pay a fee and provide your IMEI number. The service then either accesses the manufacturer's database or uses industry channels to generate a legitimate unlock code.
Unlocking your Motorola phone allows you to switch carriers and use different SIM cards globally. While official carrier unlocking is the most reliable path, several third-party tools and apps can assist if you meet specific criteria. motorola network unlock tool link