Board Thread:Love Live! School Idol Festival Lounge/@comment-27828941-20160219193756/@comment-26161729-20160219200916

I think this should be easy to follow even if it's not a video-- this is assuming your device isn't rooted or anything--

Thread 1

Quoted from the thread: Basically you need to get another device, be it an Apple or an Android, a device to be used as dummy to transfer unwanted iDevice accounts on to, and if it's an Android you only have to "clear data" in app settings.