If you see "HTTP ERROR 403 Invalid referer", we recommend temporarily changing your default web browser to Chrome and trying to log in again. Here is how to do that:
- Open your device settings, scroll down, and select Apps & notifications or Apps
- Select Default apps or Default browser
- Choose Chrome from the list of available browsers
- Once you've set Chrome as your default browser, log back into your Grammarly account in the Grammarly companion app for seamless integration and access to all features
If you experience a different issue when trying to sign in to Grammarly for Android, follow these steps to troubleshoot the issue:
- Open your device’s settings, go to Network or Connections, and try to fix or reset network settings if such an option is available.
- Reboot your Wi-Fi router and try signing in to Grammarly again. If you're using a 3G or 4G network, please check whether you're able to access the internet using your browser.
- If you’re using a VPN and/or an antivirus app on your mobile device, temporarily turn them off.
- Try to log in to Grammarly for Android from another location (office, home, etc.) where the internet service provider is different.
If the issue persists, please take a full-screen screenshot of the problem and send it to us by submitting a request at Contact Support.