Question Should i wait for S10 5G?

No one can 'tell you' to get a device or not. Check if it has the features you really want and your motivation behind wanting it. Is it just to 'get a new device' or is it because your older one is damaged, not working properly, not upgradeable, etc.

Think it through, and don't decide on a whim or because someone else has it.

My 52 cents (inflation).