After some playing, i figured that the entire game is having the same problem, battlegrounds and hearthstone alike (basically both online modes), haven’t tested solo modes yet (solo modes are not online with other players but I don’t know if you need an internet connection to play them), but i will try it out. I believe it has something to do with RAM, it probably fills up fast enough to disconnect (maybe that’s how it works?), but it definitely feels like a problem from the app. I also forgot to mention I use the 12Gb RAM version. One last thing, the game updated fairly recently and the problem appears less frequently, so I really believe it has something to do with how the game runs, but that’s just my non-expert opinion.