Write an article based on this "Ask your wireless carrier what you can do to bring your account into good standing if it refuses to unlock your phone. Contact the FCC if you experience problems unlocking your phone for free with your wireless carrier. Contact your wireless carrier and confirm the IMEI on file matches the IMEI number of your phone if the unlock code fails to work."

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Wireless service providers are required by law to unlock your phone for free, as long as your account is in good standing and you’ve fulfilled all contract terms. The FCC is responsible for enforcing policies associated with unlocking your phone, and will escalate your situation as needed to unlock your device. File a complaint online at https://consumercomplaints.fcc.gov/hc/en-us, or call the FCC at 1-888-225-5322. This occurs when your wireless carrier provides the phone manufacturer with the incorrect IMEI number.