If a contact is not saved in the phonebook, GIFs require tapping to load on iPhones. This behavior is considered standard.Related ArticlesHow to change the Content of An Ongoing Email CampaignHow to Create, Edit and Delete Custom FieldsConnecting Your Instagram Business Account to the Social Planner Social Media ToolHow to use the Workflow Slack Premium ActionConfiguring Sender ID and Opt-Out Language for SMS Compliance