when i go from deriv app to mt5 app for login my acc , mt5 app shows me authorization failed, and deriv is not shown in broker list or searching list, i deleted the mt5 and reinstall again & again , but same issue is occuring, 
Hello @altoist-agonium-2, we’re truly sorry for the inconvenience. To make things right, our team has already reached out to you via email to address your case.
If you have any further inquiries or issues, don’t hesitate to contact us through LiveChat. We’re here to help and would be delighted to assist you further. Thank you!