Echoing millions of others request, where is the update firmware to choose specific 4g bands?????!!!!!?????? and also on 4g+ bands tο choose 2 bands together???? Without this function, this router per

I've been setting up customers with LTE systems as an alternative to ADSL for a few years here in France with great success. For the first couple of years I was using the B525 from Huawei with great r