Okay, the KYC request from that image came to me AFTER they asked me to provide simple details: mail, ip, known devices, etc (you can see it in demand letter).
My account was advanced KYC verified prior to this email (to establish that). After I have received this e-mail, I clicked the link and sent the document id again (passport, same picture as in my initial KYC verification, as I had it saved).
After doing that, Sumsub prompted "These documents were used to verify another account" (the black/white image I shown above)
Week or two after, I was informed that my account was permanently banned for breaching Terms of Service.
A tad bit more detailed won't hurt? Like... How long after you get the email did you do the KYC? On which device do you received the email? And I understand correctly you recycle the exact same documents you gave for LuckyWalker69, that was stored in that exact device? Or do you switch device and complete the KYC on other device as the files that needed to be uploaded were on the other device? Do you happen to remember which device is this?
Shortly after getting that e-mail, it was pretty quick but not sure eta.
You understand correctly, but this whole information was in regards to that account, not any other. In the demand letter and email I sent them, you may see I typed wrong username (88, instead of 69), but that was a typo as I was rushing to get things sorted out.
As for whether or not I switched devices, Samsung Galaxy Z fold was used.
edit: This whole interaction after getting account frozen and before getting permanent ban was (I assumed) in regards to my main account (not the "accidental" double one or even third that I don't know shit about)
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Which... exactly means... what, by the way? The Samsung Galaxy Z Fold? I mean... yes, I am aware that you write that you use it frequently, alongside with the two other devices, but... in regards to my question, were you reading the email from one device and switch to other, or...?
And about the typo... thank you for bringing it to public. I've been wondering for a while after reading your demand letters, wondering where that account came from. And I can't ask here as it's not brought to public, nor such username is shown by BC, so I just shoved it to the back of my mind and hoped it got addressed somewhere or [kinda hoping] perhaps just an irrelevant details.
Just to be sure though, you don't have LuckyWalker88, right? I mean, 8 and 6 and 9 is very far on keyboard to be a typo. That's what's been in the back burner of my mind for a while.