Moodle badges will become locked and you cant change the criteria once its issued. Thefore editing Moodle badge after it is issued to users is impossible from the backend.
However, you still can edit the badge criteria from your Moodle database.
Before doing any changes to the database, ensure you have made backup of your database and Moodle files. Wrong alteration to Moodle database tables may cause your Moodle stop working! Continue reading “Editing Moodle Badge after its issued”