If the locked iPhone is not on that list, please complete the unlocking of the phone according to the requirements of the carrier.
Assuming it is blacklisted, please resort to a professional program in the next section. Check if the iPhone is blacklisted: Find your IMEI number as above > contact your carrier with the number to verify > check online: IMEI Pro (FREE) or IMEI 24 (FREE).Contact the SIM card provider: Here are some main carriers' phone numbers - Sprint IMEI unlock: 88 T-Mobile IMEI unlock: 1-80 At&t IMEI unlock: 80 Verizon IMEI unlock: 80.How to unlock your iPhone carrier for free with an IMEI number? Next, you need to wait about 30 days before you can associate your iPhone with a new SIM provider. Note: Make sure you are the iPhone's original owner. Provide evidence of service when needed.Respond to the security questions you ever set.Note down the account, phone number, and IMEI number.Take down the person's name under whom your iPhone 13/12/11/X/8 was registered.Before that, please check some essential preparations below: Is it possible to bypass a carrier-locked iPhone without Apple IMEI unlock software? Yes. Part 1: How to Unlock iPhone Free with IMEI Number Part 3: Other Free/Paid iPhone Unlock Services.Part 2: How to Unlock iPhone iCloud Activation Lock without IMEI/Carrier.Part 1: How to Unlock iPhone Free with IMEI Number.