Hello @MariusTattooSupplies,
You will need to edit the following file: themes/classic/modules/ps_contactinfo/nav.tpl
Replacing the code from lines 25-42 with the following should fix your issue:
<div id="_desktop_contact_link"> <div id="contact-link"> {if $contact_infos.phone} {assign var="tel_link" value="<a href='tel:{$contact_infos.phone}'>"} {* [1][/1] is for a HTML tag. *} {l s='Call us: [1]%phone%[/1]' sprintf=[ '[1]' => $tel_link, '[/1]' => '</a>', '%phone%' => $contact_infos.phone ] d='Shop.Theme.Global' } {else} <a href="{$urls.pages.contact}">{l s='Contact us' d='Shop.Theme.Global'}</a> {/if} </div> </div>
Also, please make sure you have the Template compilation setting set to 'Recompile templates if the files have been updated' in Admin -> Advanced Parameters -> Performance
Once you refresh the page, the phone number should be clickable.