Fixing the TypeError Network Request Failed Error in React Native

Published: 11 August 2025
on channel: vlogize

Learn how to resolve the `TypeError Network request failed` issue in React Native applications with our easy-to-follow guide.
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This video is based on the question https://stackoverflow.com/q/65108262/ asked by the user 'Ab Kabane' ( https://stackoverflow.com/u/9257356/ ) and on the answer https://stackoverflow.com/a/65110805/ provided by the user 'Learner' ( https://stackoverflow.com/u/6159441/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Understanding the TypeError Network Request Failed Error

When developing applications using React Native, it's not uncommon to encounter the frustrating TypeError Network request failed error. This error can suddenly pop up, especially when you're trying to make network requests, such as logging in a user. If you're receiving this error during your login function, it can significantly hinder your progress and affect your users' experience.

In this post, we will explore what might be causing this error and, more importantly, how to fix it. We'll break down the solution into clear sections to help you implement the fix easily.

The Context of the Problem

You were attempting to log in using your application when the error occurred. Here’s a brief rundown of the relevant code used for the login function:

[[See Video to Reveal this Text or Code Snippet]]

You also mentioned that you've updated your file.plist and changed the listening port, yet nothing seems to work on your real device using the Expo client. Let's move on to how to resolve this issue.

Solution to the Error

To fix the TypeError Network request failed error, follow these steps:

1. Update the Android Configuration

If you’re developing for Android, you might need to ensure that clear text traffic is allowed by updating the AndroidManifest.xml. Here’s how:

Open your AndroidManifest.xml file.

Add the following line within the <application> tag:

[[See Video to Reveal this Text or Code Snippet]]

This allows your application to make HTTP requests without needing HTTPS, which is often necessary during development or when using certain local services.

2. Troubleshooting on iOS Devices

Since you mentioned you are using an iPhone, be aware of the following points:

Using HTTPS: Ensure you are using HTTPS instead of HTTP. Modern applications and devices may require secure connections.

Check for CORS Issues: If your server doesn’t have cross-origin resource sharing (CORS) enabled, your requests might fail. Make sure that your server is set up to allow requests from your app.

3. Validate Your Network Setup

Localhost IP Change: When testing on a real device, replace http://192.881.5.222:3000 with your machine's local IP address that is accessible on the same network.

Firewall and Security Rules: Make sure that any firewall or security software is configured to allow connections to your internal server.

Conclusion

Encountering the TypeError Network request failed error can be frustrating, especially while developing critical features. By ensuring that you’ve configured your app properly to allow network requests—especially through clear text traffic on Android and addressing the specifics for iOS—you can solve this issue efficiently.

If you follow the steps outlined above, you should be able to resolve this error quickly and continue developing your application smoothly. Happy coding!

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