IMPROPER CHARGES

To: deco January 31, 2025 Subject: Complaint Letter Regarding Unauthorized Deductions by NOS Mobile Communications Dear DECO(Consumer Rights Protection Association) On January 22, I received a payment notice from NOS Mobile Communications, Portugal (billing date: February 19, 2025), informing me that 135.68 euros would be deducted from my bank account. However, 54.69 euros of this amount involve a mobile phone number (964693416) that was not authorized by me, does not belong to me, and has not been approved by me. I confirm that the amount I should pay is only 79.15 euros, corresponding to my authorized mobile phone number. Despite multiple attempts to communicate with NOS, I have not received a response. The only reply I received stated that the number 964693416 belongs to another operator. What I fail to understand is: if this number does not belong to NOS, why is NOS charging me on behalf of another operator? NOS’s actions have seriously harmed my interests, and their handling of my complaint has been extremely negligent. I strongly request that your association intervene in this matter to protect my legal rights. To support my request, I am enclosing: • Screenshots of bill notification messages sent by NOS, showing incorrect charges. (Image 1: The amount of 79.15 euros that I am authorized to pay; Image 2: The unauthorized charge of 54.69 euros per month; Image 3: The total charge of 135.68 euros per month, combining both authorized and unauthorized amounts). I sincerely ask your association to step in, process my request, urge NOS to resolve my issue promptly, and keep me informed of the progress. Sincerely, Chaoping Zhang January 31, 2025 As I am currently not in Portugal and due to the language barrier, I would like to communicate via email. Thank you very much! Below is the paid SMS sent to me by NOS.

Caro cliente, Asseguramos que vamos analisar a situação e que em breve entraremos em contacto para informarmos sobre a solução encontrada. Gratos pela atenção, Serviço a cliente NOS