Follow these instructions
- Go to Settings and scroll down until you find the browser app or email app.
- Tap the app, then tap Default Browser App or Default Mail App.
- Select a web browser or email app to set it as the default. A tick will appear to confirm that it’s the default.
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 reinstall it on your device.