Short Answer 
To unlock mature webtoons, first verify that your date of birth is correctly entered and confirms you’re over 18. If your birth date is correct, complete any additional age verification steps required by the platform. If issues persist, contact customer support for assistance.
Step 1: Verify Your Date of Birth
Start by checking your account settings to ensure that your date of birth is entered correctly. An inaccurate date can prevent access to mature webtoons. Make sure that your birth date confirms that you are over 18 years old. If there’s an error, edit it to reflect your actual birth date.
Step 2: Complete Age Verification
If your date of birth is correct, look for any additional age verification steps that may be required. Check the settings or profile section of the app or site for any options regarding age confirmation. Some platforms might ask you to agree to a maturity rating or provide identification to verify your age further.
Step 3: Contact Customer Support
If you have verified your date of birth and completed all necessary age verification steps but still cannot unlock the mature webtoons, the next step is to contact customer support. They can assist you with specific issues and provide solutions for any technical difficulties that might be hindering access to mature content.