I canceled my Turkcell Superonline ADSL internet service with account number 110209935982 and customer number 11934715 on 03.12.2024. I returned the modem with its cable through Yurtiçi Kargo on 06.12.2024, using shipment code 707598834242. It was delivered on 07.12.2024 at 10:38 with document number XS834242. Despite the modem being delivered, Turkcell issued a bill of ₺610.17, claiming the modem was not returned. When I called Turkcell's customer service at 532, they confirmed that shipment code 707598834242 was visible in their system. I kindly request the cancellation of the ₺610.17 invoice and expect a prompt response regarding the matter.
I am a Turkcell home internet subscriber with customer number 75412***. I returned the modem belonging to this subscription by cargo to a Turkcell dealer in Izmir on October 17. Despite having delivered the device, I received a message on November 2 stating that a modem fee of ₺1,322 had been reflec...
Since my Turkcell Superonline fiber optic internet subscription has ended, the modem device was supposed to be collected from my home. We have been waiting at home since Monday, November 3, as I was informed that the device would be picked up. However, during this entire period, no one has called or...
My Superonline home internet contract has ended, and I have no outstanding debt. I made my final payment on July 14, 2025. Despite this, I am being charged ₺1,073 for a modem. Although I still have the modem and have committed to returning it, I was given no clear instructions on where or how to ret...
I am a Turkcell Superonline fiber internet subscriber. When I started my subscription in July 2025, I signed a 12-month commitment stating that the first two months would be free and the remaining ten months would cost ₺600 per month. In the first month (July), I was billed ₺100.50, which was explai...
The complaint I previously submitted about Turkcell Superonline was dismissed with the claim that there was no issue with the internet. Trying to resolve the issue myself, I found out that having the modem installed inside a manto (insulated wall) port can cause internet reception problems. However,...
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