The incident happened in July 2020 when authorities say Antonio Hicks Sr. lost his temper while potty training the boy and hit him several times.
The toddler, Antonio Hicks Jr., died at a hospital.
WATCH: The toddler's uncle and neighbors speak on their favorite memories of him and what they remember hearing earlier that day
Hicks was initially charged with injury to a child, but those charges were upgraded to murder, to which he pleaded guilty.
According to records, Hicks will be given credit for the one year he's already been in prison.