No, you cannot change a ticket's status back to New once it has been changed. In Zendesk, once a ticket's status is updated from New, it cannot be reverted to New again. This is a system limitation designed to maintain the integrity of ticket status progression.
For more details, you can refer to the article: About ticket fields.
Zendesk does not allow reverting a ticket status to New to maintain status integrity. Once a ticket's status is changed from New, it cannot be set back to New. This restriction helps ensure that the ticket's progress is accurately tracked and…