I've got a BT Smart Hub with a Lenovo Tablet connected to it by Wi-Fi.
For the majority of the time it is fine. However, every few days the hub resets (usually at night). When the Tablet re-connects to the hub, instead of connecting to my Smart Hub Wi-Fi it connects to a (much slower) public BTWi-fi.
I'm sure it never used to do this. How can I make my tablet default to my hub Wi-Fi?
You should be able to remove the entry from the list of wireless networks saved on the tablet.