Hey there, and welcome to Apple Support Communities bruno.ccc,
We can certainly understand your concern and can help provide some insight.
We recommend checking out these steps to on how to set your default browser and see if it matches up with your procedures.
" Change the default web browser or email app on your iPhone, iPad, or iPod touch
With iOS 14 and iPadOS 14 and later, you can change which app opens when you click a website link or an email address as long as the app supports it.
Before you begin
- Make sure that you have iOS 14 or iPadOS 14 or later, and that you have the app properly installed on your device.
- Make sure that the web browser app or email app supports this feature. If you aren't sure, contact the app developer.
How to change your default web browser or email app
- Go to Settings and scroll down until you find the browser app or the email app.
- Tap the app, then tap Default Browser App or Default Mail App.

3. Select a web browser or email app to set it as the default. A checkmark appears to confirm it's the default.
If you don't see the option to set a web browser or email app as your default, the developer might not support it. Contact the app developer to learn more.
If you delete a web browser app, your device will set Safari as the default browser app. If you delete the Safari app, your device will set one of your other web browser apps as the default. To use the Safari app again, you'll need to reinstall it on your device.
If you delete an email app, your device will set the Mail app as the default. If you delete the Mail app, your device will set one of your other email apps as the default. To use the Mail app again, you'll need to re-install it on your device. "
For additional information, check out this link: Change the default web browser or email app on your iPhone, iPad, or iPod touch - Apple Support
These steps will help ensure your device is working with ease and can fix common issues like the ones you’re experiencing.
Kindest regards!