If you fail to unlock Yahoo account due to glitch in the icon, then you must use the grievance redressal mechanism by connecting with the support team and getting the troubleshooting solutions to deal with the issue. In addition to this, you can use the help that is available in the tech assistance sites.
https://www.apple-supportphonenumber.com/yahoo-customer-support-number/
There should be people who might need help with customer support. Must suggest your blog others to grab the best help on https://www.assignmentmasters.co.uk/write-my-dissertation/ by the customer support online. Please continue to come up with the trusted online material that is wise.