Hiyoo App Demanded to Permanently Delete Account 23734802 and All Stored Data

I am submitting this formal notice as the registered holder of Hiyoo account User ID 23734802, accessed via my mobile phone number. Having permanently discontinued my use of the Hiyoo application, I demand the immediate, permanent closure of this account due to data privacy and personal security concerns.

Pursuant to the Law No. 6698 on the Protection of Personal Data and international data privacy standards, I explicitly request the full erasure of all personal data, contact information, profile metadata, and activity records associated with User ID 23734802 across all active servers and backup storage.

I require formal written confirmation sent via email certifying that account User ID 23734802 has been permanently deleted and that all related personal data is no longer processed, retained, or stored by Hiyoo or its parent company.