Many people here have BT hubs and they get good feedback, apart from the odd connectivity issue that occurred after an update here and there. You could make sure that the BT hub is on the latest update.
See here:
Has anybody else got connectivity issues for the Naim app (iOS) with BT Smart Hub 2?
Intermittent loss of connectivity to my streamers.
I previously reported this here and eventually it went away when BT sent a fix to the firmware.
However, it seems to have come back, possibly since the last firmware update:
Firmware version: v0.30.01.08093-BT
Firmware updated: 12-Dec-2021
Workaround is to toggle the wi fi on the iOS device.
This feels like a reversion of the dual band wi-fi cross-connect…
And previously here:
For any other users having connection issues with the app I came across this. Apologies if this has already been covered.
BT is aware of an issue affecting users with BT Smart Hub 2 routers that causes problems with connecting to players in a wireless configuration. This is caused by a bug in the BT Smart Hub 2’s firmware (version V0.26.03.01286 ) which prevents devices on the 5GHz band from communicating with devices on the 2.4GHz band, and vice versa. Most of the affected users have iPhones r…