I have been using Turkcell Superonline fiber internet service for a long time at my address. However, I have been experiencing constant disconnections and low-speed issues for years. These problems occur continuously throughout the day. I have contacted customer service multiple times, but each time...
I applied to Superonline for a 100 Mbps home internet service. The installation team that came to my home told me that my bill would be ₺450 instead of ₺650 and completed the installation without providing any information about a commitment or cancellation fee. However, after using the service for o...
On September 30, 2025, I purchased a 100 Mbps Superonline fiber internet package with a 12-month contract, offering the first two months free and a monthly fee of ₺600 thereafter. I was given an installation appointment for October 3, 2025. On the scheduled date, the team arrived at my address but l...
The modem I use for my Superonline fiber internet service has been faulty for 6 days, leaving me with no internet connection at home. I contacted customer service to resolve the issue, but no solution has been provided yet. I request that a technical service team be sent and the defective device be ...
Under my Turkcell Superonline Standalone 100 Mbps internet subscription, I have not received any internet service for about three months at my address. I constantly get the “faulty port error” warning, and despite submitting multiple fault reports during this period, no authorized person has address...
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 experienced an issue with Superonline when my fiber internet subscription was not activated within the specified timeframe. I applied on August 10th and was scheduled for August 16th, but no one showed up for the appointment and I received no information. As of today, 11 days have passed, and alth...
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...
For 10 years, Turkcell Superonline has been providing poor service without making any investments, offering the same speed to the 180-household, two-block Kozz Ankara Site in Etimesgut, Ankara, as well as the surrounding complexes. In our site, TurkNet is installing fiber cables directly to homes an...
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...
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 was called today and my procedures were completed, and it was stated that the device would be delivered tomorrow. Thank you for their attention."
I wanted to renew my subscription with Turkcell Superonline. When I called customer service, I stated that I wanted to join the 24-month commitment campaign that includes a Wi-Fi router. After listening to the contract terms for half an hour, they told me that the device was out of stock and I could...
My 1000 Mbit internet speed dropped to 100 Mbit—just one-tenth of what I’m paying for. When I called customer service, they claimed everything looked fine and didn’t offer any help. I submitted a complaint with a screenshot using their own speed test tool, but I never received a response. They openl...
On May 31, 2025, I applied for fiber internet service from Superonline. The cable was installed on June 2, but the connection was not established due to a lack of available ports. Although a port was later connected, internet service was still not provided. Throughout this process, I called multiple...
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...
Dear Turkcell Superonline Customer Relations Team, I am writing to formally file a complaint regarding the handling of my renewed internet subscription and the serious inconvenience and distress it has caused me. Following the renewal, your authorized dealer collected my modem for replacement; howev...
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...
I live in Başakşehir, Istanbul, and I use fiber internet. I started having internet access problems on 02.06.2025, and now it's 05.06.2025 and the issue still hasn't been resolved—I still can't access the internet. My work and business operations have come to a complete halt, and this has taken a to...
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 submitted my application about a month ago, but there has been no progress. The response I received from customer service is the same as here—no result. Everyone who contacts me gives the same answer and cannot provide a solution."
Good day, I recently moved into a new home, and it seems that the previous tenant had an issue with the landlord and removed the fiber cable when leav...
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...