@Andy_W Might be worthwhile asking Samsung if they can recommend one: https://www.samsung.com/uk/support/
I DO NOT WORK FOR O2
The way round it is to not use a screen protector. The fingerprint scanner on the S10 & S20 is a s**tshow, not helped at all by screen protectors.
If you want to use a screen protector, then use Face Recognition, or PIN. Fingerprint won't work.