To permanently rename your mouse, connect it to a 32 bit Mac, go to system prefs / Bluetooth. If you switch computer, the mouse reverts to its old name again. You CAN rename your mouse under the 64 bit, but it seems to be only temporary. It seems that you can only do a permanent name change on a device that has 32 bit, not 64 bit processor. I puzzled over this for ages, till I found a post somewhere else (I can't find it now). know if I'm too late with this reply, but in case you haven't solved it, or if there's somebody else with this problem.
I did it until the Green Light blinked twice ie two complete sets).Ĩ) Rename Mouse as per Preferences -> Bluetooth etcĩ) While Bluetooth Preferences is open, Switch off Mouse and the Switch on Bluetooth. Hi, I am not sure if anyone still needs this but this is the process I followed on my MacBook Pro running Catalina 10.15.4ģ) Switch off Mouse and Reset (Hold down click and power one.