I played another game after a while of posting this and I was not disconnected and finished the game. But I was tagged as deserter again. What the hell is happening?

Hi I have 2 connections I use to play, over wifi and using mobile data. I recently chose to play using mobile data because it has better connection. In the middle of the game of one of my recent match. All characters just suddenly stopped moving, hinting of disconnection. I waited for a while then decided to close the app and connect again. As soon as the app started, I was reconnected to the game. However after a while, it happened again and I wasn't able to connect for a long time. I...