Post to our server migration period, you might need to take a few extra steps to log back in to your live account from your Android device.
Tap on the 3 horizontal lines on the top left of the MetaTrader application followed by "About";
Tap on the 3 horizontal lines again to access the Manage Accounts section;
Select login to an existing account.
Search for kot-live and select either KOT-Live2 or KOT-Live3 depending on which server your account is connected to.
Should you not be sure of the server that you need to connect to, you may also find this information in the "My Accounts" section on your KOT4X account as below: