Superonline billing dispute

I am a Turkcell Superonline fiber internet user with subscriber number 70898914, living in Gülbin Apartment, Şemikler Neighborhood, Karşıyaka/İzmir. Since 12:00 on Saturday, our apartment has had a complete internet outage. The reason is that during excavation work carried out by İZSU next to our bu...

I have been a loyal Turkcell SuperOnline customer for many years (Subscription No: 10681678). Due to my mandatory relocation abroad, I contacted customer service to terminate my internet subscription. During my first call, I was informed that I would need to pay an early termination fee of approxima...

I had been using 1 GB fiber internet from Superonline for almost 4–5 years. Since there was no infrastructure in the place I moved to, I had to cancel my line. The cancellation process was completed even before the phone was disconnected. However, the cancellation procedure was turned into a complet...

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 extremely frustrated with Turkcell Superonline. It has been over 60 days since my new contract began on May 23, 2025, and I still don’t have access to the internet service I signed up for. I’ve contacted customer service and submitted around 10 different error and installation requests, but not...

I was a Turkcell Superonline customer, and they sent me an SMS saying that my contract would end on June 30. Relying on that, I switched to TurkNet. Now, however, they’ve issued a bill of around ₺5,000, claiming that I still have seven months left on my contract. If that’s the case, why did you send...

Although we reside right in the city center of İzmit, a district of Kocaeli, we have not been receiving any service for approximately one (1) week from our Turkcell Superonline ADSL subscription, number 23354441. The call center has done nothing beyond taking notes regarding our issue. Similar situa...

I bought a Turkcell Superonline internet subscription, I was making my monthly bill payments using the internet subscription number, but since a mobile internet account was also opened in my name at the beginning of the first subscription and the mobile number of the opened account was not specified...

I have been paying a fixed monthly fee of ₺350 for my Superonline internet service. However, in the June 2025 billing period, an unexpected charge of ₺207.40 was added under the heading "Other Service Fees." I was not informed about this charge beforehand—there was no SMS, email, or any kind of noti...

On June 9, 2025, I called Turkcell Superonline customer service to switch to the 1000 Mbps Pro Modem Symmetric Fiber Campaign and received an SMS confirming the process had begun. The next day, on June 10, I received a call from the Turkcell Superonline Fiber Technology team (0212 999 02 02) between...

In relation to my Superonline internet subscription, my connection speed was reduced to 512 Kbps due to a delayed payment. After I completed the payment, the internet speed was immediately restored to its original level. However, an additional ₺200 “reactivation fee” was added to my bill. I was only...

On March 21st, my Superonline Internet + TV Plus contract ended. On April 1st, I received four SMS messages stating, "your campaign price has been extended for one more month." However, I was then charged: ₺826 on April 30th and ₺1,720 on May 31st (₺995 for internet and ₺725 for TV Plus). These mess...

I logged in online from mobile to extend the commitment period of my home internet package that will end on 26.05.2025 with Superonline. Although I tried many times from both mobile and web addresses, they showed a message saying you have an unpaid bill debt and did not continue. I sent them documen...

I am not satisfied with the Turkcell Superonline home internet service. I have been experiencing frequent disconnections with my internet for a long time. All devices in our home have trouble connecting to the internet. My spouse has contacted customer service multiple times regarding this issue, an...

My Superonline customer number is 73675***. I’m a Superonline fiber subscriber and had been using a 25 Mbps internet package until my contract ended. After watching their ads, I upgraded to the 1000 Mbps fiber plan. However, since my modem is Wi-Fi 5, I can’t benefit from the full 1000 Mbps speed. W...

In March 2025, I started a fixed internet subscription with a 24-month commitment. Since the day I subscribed, I have been experiencing frequent internet disconnection problems. I called Superonline customer service at 0532 532 00 00 many times to report the issue and request a solution. Despite my ...

My contract with Superonline ended on February 25, 2025. I intended to renew my commitment, but I was informed that the process could not be completed due to an alleged outstanding debt to Türk Telekom. I was advised to settle this debt. Despite submitting all necessary documents—including debt clea...

Since April 18, 2025, our Superonline fiber home internet has been down due to a technical fault in our area, and we have not received any service. Our customer representative keeps stalling us, saying the issue still persists. It has now been exactly 4 days. When we try to cancel our subscription, ...

On April 10, 2025, at 17:50, I had Superonline service installed at my home. After that day, I was only able to use the internet for one day. Since then, I have not been able to connect to the home internet at all. Customer service told me the issue would be resolved on the 29th of the month. I expl...

When I woke up on the morning of March 8, 2025, I saw that my Turkcell Superonline internet connection was down. Today is the 13th, and it is still not working. I have been calling for five business days, and nothing has been fixed. Each time I call, they open a fault detection case, only for an aut...

I am a Turkcell Superonline customer with subscriber number 67494218. On March 6, 2025, I called the company at 05325320000 to request the cancellation of my subscription, stating that I would switch to another operator because their prices were too high for the service provided. They stopped my bil...

I had to cancel the service I received from Turkcell Superonline because they didn't have infrastructure at my new address. They asked me for a few documents related to my new address and assured me that no cancellation fee would be charged. I sent the documents, received a confirmation message, but...

The service team at Turkcell Superonline stated in their report that they had replaced the connector, but in truth, they did not follow through with this action. An extra ₺600 was added to my bill, and I believe this is totally unjust. I firmly believe this was intentional, as the report was clearly...