[1] On January 21, 2020, YG Entertainment announced the return of iKON on February 6 titled "I Decide" as well as a concept teaser for the EP.

[2][3] Two days later, a video teaser titled "Definition of 'i Decide'" was released through the band's official YouTube channel.

[5] The next day, the label announced the name of the lead single of the album threw a title poster: "Dive".

[10] The following day, iKON released a sampler for their album as well as a mood clip of the music video for the title track.

[16] I Decide debuted at number 3 on the Gaon Album Chart in South Korea, selling 55,254 copies.