What should I do if I haven't received a notification on my ATK test app after 7 days in Thailand?

If you haven't received a notification on your ATK test app after 7 days in Thailand, you should consider the following steps based on community advice: 1. Email your test results to your hotel or message them via their Facebook or Line accounts. 2. If you cannot find the notification, try reinstalling the app as some users successfully found their notifications after doing this. 3. Ensure you are using the correct lab number (often just 'ATK') and that you are uploading your results correctly. If needed, use any available ATK test, provided you follow the local guidelines.