Published by Math Academy Ltd

Report an issue with eBOOK.
Send the customer service your feedback so they can fix your issue asap.



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Why should I report an Issue with eBOOK - Thế giới sách Online Free?

  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 Math Academy Ltd 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.

eBOOK Customer Insights

Steps to Troubleshoot & Fix eBOOK Issues

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


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


2. Fix eBOOK Server issues & Internet Connection


  1. Check network connection: An unstable Internet will make eBOOK 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 eBOOK not working. Make sure all VPNs are off
  3. Enable background data: When Background data is turned off, eBOOK may not be able to connect to the Internet when running in the background.

Reported Issues