Reset My TikTok Account

My TikTok account is currently inaccessible because I cannot remember the password and I no longer have access to the phone number linked to it. The account is connected only to that old phone number, not to an email address, and that phone was lost in the sea, so I am unable to receive any verification codes. Because of this, I am completely locked out and cannot reset my password through the usual methods in the TikTok mobile app. I have already contacted TikTok support for help, but I did not receive any effective solution and I still do not have access to my account. The app keeps sending me in circles with the same recovery options that all require access to the old phone number, which I simply do not have anymore. I kindly request that my identity be verified manually using alternative methods, for example by checking previous logins from my devices, and that I be given access to my account again or that my phone number on the account be updated so I can reset my password. I am deeply affected by not being able to access this account, and I am asking for urgent assistance and clear instructions on how I can recover it without the old phone number.