1) It should work because I did it for my own (I switch back and forth between two unchained.conf files for phone A & phone B durin testing of each line).
2) Your CPK is stored in biblepay.conf, not unchained.conf so there should not be anything in unchained.conf except your phone configuration.
Prob need to try again and reboot the wallet + kill the BMS.EXE before retrying.
Almost bed time here,will look in to it tomorrow,i start mining on nomp pool,someone gave me some coin or im in a fork,will see tomorrow.I have one tstwallet wear to Phone are configured,so i may buy me a headset,if it work:Thanks fore offer me help to set up the sanc,i may say yes to that:)Have a nice evning.