can't access the revolut app


Hi, I got my phone stolen and I’m currently in Australia where revolut doesn’t operate. I’ve downloaded the app again but can’t register for it since when I put my Australian number there I’m informed revolut is not here yet. I’ve lost my uk SIM that I registered with when my phone got stolen. I tried accessing support chat by inputting my old number and saying I never received the code, but the chat only has automated response and if I ask for a live agent I’m given a 24hr response time and the app closes and the chat disappears. I still have money in my revolut but can’t access the app to control it. what to do? can revolut return the money back to my account?