Please accept our apology for the trouble.
To better help you with this issue, please go to the 'My Page' and select 'Help center'. Then submit a request with the following information.
1) In which situation is the app slow? When broadcasting? or listening to a broadcast? or When using other features in the app?
2) Does this problem occur when you are connected with other Wi-Fi networks or data?
3) Telecommunication company
4) Application version