Yoona, Sulli and EXO show their childish side in SK Telecom’s new LTE CF

SK Telecom has released its latest LTE CF featuring the adorable SM Entertainment artists, Girls’ Generation’s Yoona, f(x)’s Sulli and the boys of EXO.

The idols showed their childish sides and 4-D personalities as they sing and dance along with goofy and adorable LTE choreography.

Check out the CFs below: