This is an error that appears when logging into MetaTrader 4 for iOS.
If "Invalid account" is displayed after tapping the login button, it indicates that the connection with the server has not been completed and the login is not successful.
Confirmation of MT4 Server
Select the MT4 server name "SVOCapitalLtd-Live" or "SVOCapitalLtd-Demo".
Make sure you have entered your login information correctly.
Make sure there are no extra spaces or symbols when entering or copying and pasting your login information.
If you are still unable to log in, please contact support.