That cannot happen even if you hadn't deleted your Community account.
The default credentials for Sky Hub and Q Hub are admin / sky
For the Sky Broadband Hub and Max Hub it's admin / 'wifi key' (from the label)
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Sky Glass 55" (on ethernet) & two Stream Pucks (one ethernet / one WiFi)
BT Halo 3+ Ultrafast FTTP (500Mbs), BT Smart Hub 2
