We can replace the phone. That will be the easiest.
Transit time can make this a bit painful, though.
if you are a bit more techy, and would want to spare yourself some wait time, I can suggest that you try to manually update your iodeOS via spflash using firmware upgrade.
Check: How to manually install or update your OS on your BraX3
Here is a link to the latest iode spflash build: brax3 · master · ota / release · GitLab