How to display the navbar again in blogger template?

Easy! Enter in the code of your template (Dashboard → Layout → Edit HTML) and search for:

#navbar-iframe {

   height:0px;

   visibility:hidden;

   display:none

}

Delete it and that’s it.

For More, please see the following tutorials,

• Code To Hide Blogger Nav Bar And Have It Reappear When You Hover Over It.
• How To remove or hide Blogger Navbar