AC/config/mobile_serverlist.cfg

// official ac mobile server list
// do not move this file - it must remain accessible at https://raw.githubusercontent.com/assaultcube/AC/acmobile/config/mobile_serverlist.cfg
if (>= $acbuild 12) [
  addserver ms.cubers.net 28663
  addserver ms.cubers.net 28665
  addserver ms.cubers.net 28667
  addserver ms.cubers.net 28669
] [
  mastermessage "\f3Please update your app to the latest version."
]