Rlink2 shouldn’t have any relevance on the main dash board it should still work, although the drivers aids and changing of dash colours won’t be available.
The emissions update is a recall issue on diesel models. They will have tried to update the firmware to V7 which 95% of the time works, the other 5% is mixed outcomes with a broken line display b/w lines and is fixed by a usb patch from France. once they have worked out the fix.
The other small percentage the head unit won’t start up so there’s no way of correcting the software conflict while it’s in the car.
The only reason why it seems as though there’s a lot of faults is the successful updates never get mentioned, as with a lot of faults it only becomes apparent when we need answers.
If you still have no joy, open a case with customer services at renault and register your grievance. It may get you anywhere faster but ask for compensation!