Anonymous wallets are not regulated, which means that there is no guarantee that your funds will be secure. This mean, there is also a risk of scams and frauds associated with anonymous wallets.
If you still want to use an anonymous wallet, there are a few options available in the market. Since there is no KYC process involved, it's easier for scammers to create fake wallets and steal your funds. So, I think here is some wallet: Atomic Wallet, Trust Wallet, Math Wallet, BitKeep
, or etc.