The problem is the hub 3000 because it’s old and it creates a problem with the new antenna on iPhone 15. Bell is aware. Ask them to upgrade your modem to giga hub for free or give you a promotion on your package to settle the extra $7 per month
It’s not that iPhone 15 doesn’t work at all with hub3000. It works on and off. I installed the Giga hub yesterday and so far it hasn’t freezed on wifi at all. I will know after a few days if problem is permanently fixed
There is a problem with hub 3000 and iOS 17 which becomes bigger with iPhone 15 due to a new antenna type. I will try the hub 4000 to see but Bell needs to solve the problem on their modems