The Samsung Galaxy A42 5G (also known as Samsung Galaxy M42 5G in some countries) is a mid-range Android smartphone developed by Samsung Electronics as part of its A series line. The phone was announced on 2 September 2020 during Samsung's virtual "Life Unstoppable" event, and first released on 11 November 2020 as a successor to the Galaxy A41. The phone comes pre-installed with Android 10 and Samsung's custom One UI 2.5 software overlay that can be updated to Android 12 with One UI 4.1. It was rebranded as 'Samsung Galaxy M42 5G' in India and launched in the M series lineup on 1 May 2021.