How to fix ERR_PROXY_CONNECTION_FAILED on Google Chrome (iOS)

The purpose of registry files is to provide us a smooth, and care-free user experience. Unfortunately, various processes including inappropriate software updates, malicious software, can corrupt these files, making them unusable. It's possible that corrupt registry files are responsible for the ERR_PROXY_CONNECTION_FAILED error on Google Chrome. In order to fix this error, you need to clean them, preferably with a registry cleaning app. Once the cleaning is done, open the web browser, and load the website.

Popular registry-cleaning software, which are also packed with other cutting-edge features include: CCleaner, Advanced Systemcare, etc.

The proxy settings must be 100% correct in order for you to be able to use them. Maybe incorrect proxy settings are the reason why this error appeared in the first place. To fix this, all you need to do is to ensure that the settings are set properly.

To check, and modify the proxy settings if needed, follow the steps below:

1. Go to Settings and tap on Wi-Fi;
2. Tap on the Wi-Fi network you are connected to;
3. Scroll down and tap on Manual, under HTTP Proxy settings, if you want to configure it manually;
4. Tap on server and type the IP address, then tap on Port as it’s shown by your provider and type it;
5. Try downloading an app.
   
   

Note: Consider tapping on Off, under HTTP Proxy settings, to disable this option, because it, i.e. incorrect settings, may be the reason for this issue.

The APN (Access Point Names) settings are what the SIM card uses to sign in to your network’s mobile data signal. Something might have changed your APN settings (a malicious app, perhaps) and your SIM card cannot use the network's data signal.

The first thing you need to do is to ask your operator, or a friend (if he/she uses the same Internet provider) for the APN settings and then to configure them, following the steps shown in the video.