Brilliant. Ok, so to help any others that find this thread. I had to use IE not chrome as it requires flash. You click the green circle thing that says "real-time control" then go to Alarm control and switch it to off.
I did find this updated version of the software from here...
Ask Vodacom to enable dual SIM and they will laugh at you. You cannot use a rain SIM in the second slot of a Huawei phone, they definitely won't allow it on esim.