emergency notifications in greece

hi I have an iphone 4 and I want to get an emergency alerts and amber alerts.

but when I scroll down on notifications and scroll at bottom there is nothing there. no switch to activate or disable emergency alerts. but on my mums iphone 7. there is an option to turn on emergency alert. and he is receiving emergency alerts. because our goverment informs about coronavirus on iphones via emergency alert byt my iphone does not receive them. I cheked my carryers website and there is nothing about emergency alerts. also I had iphone 5 earlyer and it also was not receiving anything and also on there there was no option to turn them on. please help if you can

IOS version.7.1.2 thank you