No, you may visit your nearest Orange shop on the places that have 4G+ or call 123.
4G+ certified phone, 4G+ SIM card and be within 4G+ coverage.
4G+ makes a whole load of new things possible:
Downloading films on your tablet on the spur of the moment.
Streaming live football on your phone.
In general, anything involving transferring large amounts of data gets a big boost from 4G+.
Check if device is 4G+ certified , then check if sim card was properly provisioned to 4G+.
You can check the technical specifications of your mobile.
It will be displayed on the home screen of your mobile phone.