Former IZ*ONE member Choi Ye Na announced her comeback and began preparation for her 2nd mini-album, 'SMARTPHONE.'

Choi Ye Na began releasing various teaser photos just a day before. On July 21 at midnight KST, she continues to roll out more photos where she displays her spunky and colorful characteristics.

Then Choi Ye Na will be back on August 3 KST with a showcase for her comeback!