I have the same problem, on paper I bought a Samsung compatible fast wireless charger, and started charging after few seconds is getting disabled and returns to normal speed. What a... I hope there will be an official case on this. My money went to the toilet.
Don't just make fanboy statements without doing your research.
Not sure he can read to be fair.
Look like Samsung pulled an Apple move on us, seems a greedy move to force people to buy samsung originals.
Disappointed with that move.
Maybe it's time to try other brands.
Same thing happened to me with a charmast power bank that did charge fast wirelessly before. I'm using a Note 20U and now it comes up with 'wireless fast charging' for about a second before reverting to just 'wireless charging'.
Very disappointing to be honest. I have ordered a genuine samsung wireless power bank that apparently charges wirelessly up to 15w. Will have to see whether it does, or whether there's an issue with the phone itself.
Decided to buy a Belkin 15w charger with my new s21u recently and having the same issue. Takes almost 5 hours to charge from 10% vs the 2 hours without super fast charging with the samsung brick and usb c cable.
First time using wireless charging and already disappointed...