The group's second mini album Evolution was released on January 7.
The group promoted it with the lead single "Before the Dawn (BTD)".
The group entered the Music Bank K-chart for the first time.

Infinite made their comeback with their first single album Inspirit.
In the music charts, the group finally ran from the top 30 to the top 40, and also went up to the top 10 in the Music Bank K-chart.

Their first studio album Over The Top was released on July 21 along with the music video of their title track "Be Mine".
They received their first music show first place award at M!
Countdown on September 1 and received a "Double Crown" for winning two consecutive #1 places at M!
Countdown.
Following the success of Be Mine, Infinite re-released Over The Top as a repackaged album titled Paradise, along with its title track of the same name, on September 26.
On October 9, Infinite came first on Inkigayo for Paradise.
They then won their second trophy with Paradise on October 13 on M!
Countdown.

Infinite unofficially debuted in Japan with their first Japanese single "To-Ra-Wa" on January 26, which was a Japanese version of their Korean debut song, "Come Back Again".
Immediately after its release, their Evolution mini album hit #3 on real-time charts for sales in Korea.
The song was the top downloaded ringtone on the daily charts of the K-Pop section of Japan’s top mobile website.
Infinite released various rental singles including "She's Back", "BTD (Before The Dawn)", and "Nothing's Over" before they officially debuted in Japan.

Infinite made their official Japanese debut with the release of the Japanese version of "BTD" on November 19.
The B-side for the single is "Can U Smile", a remake of a track from their 2nd mini album Evolution.
It is the third track of their first single album Inspirit.

On December 5, they released their first Christmas song, "White Confession".
The group's second mini album Evolution was released on January 7. The group promoted it with the lead single "Before the Dawn (BTD)". The group entered the Music Bank K-chart for the first time.
Infinite made their comeback with their first single album Inspirit. In the music charts, the group finally ran from the top 30 to the top 40, and also went up to the top 10 in the Music Bank K-chart. 
Their first studio album Over The Top was released on July 21 along with the music video of their title track "Be Mine". They received their first music show first place award at M! Countdown on September 1 and received a "Double Crown" for winning two consecutive #1 places at M! Countdown. Following the success of Be Mine, Infinite re-released Over The Top as a repackaged album titled Paradise, along with its title track of the same name, on September 26. On October 9, Infinite came first on Inkigayo for Paradise. They then won their second trophy with Paradise on October 13 on M! Countdown.
Infinite unofficially debuted in Japan with their first Japanese single "To-Ra-Wa" on January 26, which was a Japanese version of their Korean debut song, "Come Back Again". Immediately after its release, their Evolution mini album hit #3 on real-time charts for sales in Korea. The song was the top downloaded ringtone on the daily charts of the K-Pop section of Japan’s top mobile website. Infinite released various rental singles including "She's Back", "BTD (Before The Dawn)", and "Nothing's Over" before they officially debuted in Japan.
Infinite made their official Japanese debut with the release of the Japanese version of "BTD" on November 19. The B-side for the single is "Can U Smile", a remake of a track from their 2nd mini album Evolution. It is the third track of their first single album Inspirit.
On December 5, they released their first Christmas song, "White Confession".
Infinite (band)