@Jake12wrote:Read carefully: If I buy my OWN BT SH3 off EBay can I swap my SH2 with the SH3 without any router reconfiguring?/
Now you should read very carefully. I have all ready posted this.
If you can get one from ebay you can replace your SH2 with it.
I have BT SH2 with FTTP with the property wired with LAN cables and I don't need those BT discs and an in contract with BT. Can I buy a £30 BT SH3 business off Ebay and swap with the SH2 (plug and play)?
You have already asked that question and it has been answered more than once!
There’s a very easy solution to all of this, just stop responding to this individual because they clearly are unable to fathom out or listen to the advice given.