Log out of the app, then log back in
Close the app from the multi-tasking page. On iPhone and iPad, double-tap the home button, and swipe the app upwards to close it. On Android, press the app-switching button and swipe the app away
Make sure you’re on 4G data or strong WiFi, with good download speeds
Check if switching between data and WiFi affects the issue
Delete and reinstall the app
Note: The IG trading app on iOS is available in the following countries:
Australia, Austria, Bulgaria, Czech Republic, Croatia, Cyprus, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Japan, Latvia, Lithuania, Luxembourg, Malta, Netherlands, New Zealand, Norway, Portugal, Romania, Singapore, Slovakia, Slovenia, Spain, South Africa, Sweden, Switzerland and United Kingdom.
If you don´t belong to any of the these countries, please, go to Apple's website to get help with the installation.