Issue upgrading superhub - White cable stuck in old hub
So have received a superhub 3 to replace the old 2ac. When have tried to take the white coaxial cable out the back of the old hub i cant get it to unscrew with the provided spanner, the spanner seems to not be able to get a tight enough grip or the cable is just so tightly in hub that it wont come undone. Dont want to try and use pliers for risk of damaging the cable.
Any suggestions? Will this need an engineer visit to replace it?