Cleared data and cache for Opera and Opera Mini.
Uninstalled Opera and Opera Mini.
Used "Avast Clean-Up" to eliminate orphans.
Rebooted phone.
Re-installed Opera.
Undesirable icons reloaded.
Uninstalled Opera.
Problem solved.
I still love Opera on my desktop. Not so much, on my phone. 🤒
@andreszs
That makes sense,
And should usher in loads of future replies with clips from tv comedy IT Crowd ''Have you tried turning it off and on again?''