Please confirm whether the information you want to link has already been linked to another account.
If you have previously linked the data to a demo account, please log into the demo account with your mobile number first.
Next, go to the "Settings" page by visiting the "Profile" section at the app's bottom.
Last, enter the "Account Security" page and link your email address to this demo account.
After doing so, you could switch between a demo account and a trading account on VT Markets App.