Iphone 11 Pro Max - cellular communication is only available for limited system applications

Yesterday I had a road trip from Switzerland to Hungary (I have Swiss subscription) and leaving the Swiss border I have realised there is no data roaming on the phone however I have it included in my subscription.

After some trials and calling my provider, they have confirmed my roaming package is active, there is no any limitation from their side, even they have sent some reset to my phone to make sure the network settings are OK.

What I have figured out:

• Safari, Apple mail and few Apple app has connection (ie.i can brows with Safari)
• Google Map, AccuWeather and all non Apple applications are not able to reach internet however they cellular communication is enabled (see attached screenshots)

So far I have tried, but no success:

• Restart
• Reset network settings
• Delete app and reinstall (Google Map)
• Remove re-insert SIM card

[Image Edited by Moderator to Remove Personal Information]