Out of curiosity, Why do you use such a wallet to keep your USDT, yet we do have over a dozen noncustodial wallets lying around?
Their reputation is not good, as reflected by their forum rep account. Look through the references -
https://bitcointalk.org/index.php?action=trust;u=1177176I encourage you to keep sending them messages in different platforms until they get your attention.
How about the casino you are advertising that stolen my 400$ ? Is that a good and reputable casino? check how many scam topics there are regarding betpanda stealing people’s legit money…