I Picked a Mobile From Another World

Read manhwa I Picked a Mobile From Another World / 다른 세계에서 주워 왔습니다
In the midst of the devastation, only the soldiers’ bones remained.
It’s only a matter of time before the entire world is annihilated. To avoid this, Kyung-Hoon began searching for clues in another universe with the help of a ten-year-old phone he discovered in an abandoned building.