Even more claiming bcc/bch through desktop or hardware wallet is so risky as their are scam wallets which steals your btc when you download the bch/bcc wallet and try to claim the free bch/bcc.
My Trezor worked great, just a couple days late. They programmed in a "sweep", so all transaction history prior to Aug 1 12:20, was compressed into one. It looks like I've only received one transaction instead of the entire history. Pretty good for reducing Unspent Transaction Outputs.