Contact CLASS Customer Service

Why should I report an Issue with CLASS - 5 - NSO - SCIENCE OLYMPIAD?

1. AppContacter will directly Email your issue/feedback to an apps's customer service once you report an issue and with lots of issues reported, companies will definitely listen to you.
2. Pulling issues faced by users like you is a good way to draw attention of Emerging Star to your problem using the strength of crowds.
3. Importantly, customers can learn from other customers in case the issue is a common problem that has been solved before.

1. app is very useful....easy to use.

1. Fix CLASS Not Working/Crashes/Errors/Unresponsive & Black/White screen:

1. Restart CLASS: Restarting the app will resolve most errors.
2. Update the CLASS App. Here is how:
   1. On Android goto PlayStore » Search for "CLASS" » Open CLASS - 5 - NSO - SCIENCE OLYMPIAD » click "Update".
   2. On iPhone, goto AppStore » Your profile » Available Updates » Check for CLASS » click "UPDATE".
3. Clear CLASS - 5 - NSO - SCIENCE OLYMPIAD app cache: Clearing cached data will force your app to retrieve the latest data directly from CLASS servers.
   1. On Android, goto Settings » Apps » Select "CLASS - 5 - NSO - SCIENCE OLYMPIAD" » click Storage » click "Clear Cache".
4. Check CLASS app permissions. If any of these permissions required to use your device's features are disenabled, CLASS might not work.
5. Uninstall and reinstall CLASS. If nothing else has worked, completely uninstall CLASS then reinstall.
6. Restart your device. Last, restarting your device can often clear most problems causing CLASS not working

2. Fix CLASS Server issues & Internet Connection

1. Check network connection: An unstable Internet will make CLASS be unable to connect to it's servers. Ensure your wi-fi is working then restart app.
2. Disable VPN: VPN can cause connection errors and lead to CLASS not working. Make sure all VPNs are off
3. Enable background data: When Background data is turned off, CLASS may not be able to connect to the Internet when running in the background.