I have been experiencing mobile internet speed problems on my Turkcell postpaid line for years in Adnan Kahveci Neighbor...hood, Beylikdüzü, Istanbul. In speed tests performed at the same location, Turkcell reaches around 5.4 Mbps, while Vodafone reaches around 8 Mbps. Even though we have tried differe
I live in Ayvatlı village in the Sulakyurt district of Kırıkkale and for the last four years it has become very difficul...t to even get a 2G Turkcell signal here. Most of the time there is no reception at all or the internet is so weak that it is practically unusable. I have also documented the situat
I am using the Turkcell Superbox 1 TB 5G package. After my modem was replaced last Friday, I started experiencing consta...nt ping issues and significant drops in internet speed. I had never experienced this problem before, but my internet speed has now decreased dramatically, and the connection become
Approximately four months ago, I ported my number from another operator to Turkcell. I chose Turkcell with the expectati...on of better service and especially faster internet, but I am currently paying almost twice the bill I used to pay with my previous operator and I am not receiving the service qual
I recently subscribed to a Turkcell Superbox service with modem model MC8520B in Adana Seyhan, and the installation was ...carried out on 8 May 2026. From the first day, the internet speed was far below what had been promised during the application. Despite this, Turkcell opened several complaint recor
For the past two years, Turkcell has been charging high monthly fees for poor-quality service, bad communication, and un...reliable internet, yet they have not found a solution to this issue. The speed test results I get using mobile data in the Karşıyaka Aksoy neighborhood are as poor as shown in the
I have been using Turkcell Superbox with a 500 GB package and a ZTE brand modem since the beginning of my subscription, ...but I have never been able to get proper internet speed. From day one, the speed has been around 1–5 Mbps, which makes it very difficult to use the internet for even basic needs. I
I have been using the Turkcell Superbox 500 GB package for about 4–5 months at my address. During this entire time, I ha...ve experienced low speeds and constant freezing at all hours of the day. Since I work from home, internet speed is very important for me, but I am absolutely not satisfied with the
I have been a Turkcell postpaid customer for years and I use the Turkcell Platinum package. Even though I have an 80 GB ...internet package, I cannot use my internet properly due to connection issues. At my location, I used to get very fast internet (25–30 Mbps) with the same phone (Xiaomi Poco C65), t
I had the Superbox 300 GB service installed at my home on October 26, 2025, but apart from the first few hours, it has b...een completely unusable. Soon after installation, the connection started dropping frequently, with severe speed and stability issues. I reported the problem, but the team closed th
About 10 days ago, I switched from Türk Telekom to Turkcell, and my entire family also transferred their lines to Turkce...ll. However, at our address, we constantly experience signal problems both inside and outside the house. Despite using a 60 GB plan costing ₺420, we can barely use the internet. It
I use an internet service under customer number 11545736. Although my internet speed is supposed to be 1000 Mbps, I’ve b...een receiving speeds as low as 400, 500, 300 Mbps, or even lower throughout the day. On July 30, 2025, at 21:47, I called customer service to report the issue, but I couldn’t reach
I live in Tokat/Turhal, right in the city center. However, neither Instagram nor Youtube.com works with my Turkcell line.... I have to wait 2 minutes for the page to open. It has become almost impossible to watch videos, send messages or even use the internet. Unbelievable, but I even had a hard time a
I have been using my Turkcell line for approximately 17 years. I am also a person with a disability. The offers presente...d to me are extremely expensive. Additionally, for the past month, I haven’t been receiving proper service in exchange for the amount I’m being charged. I submitted a service reque
I have been seriously dissatisfied with Turkcell for about 12 days. Despite living in an earthquake zone, no improvement... work has been carried out, and the network problems in our area remain unresolved. The mobile signal is weak, and the internet barely works. When we call customer service, instead
I have been a Turkcell Superbox subscriber for 30 days, and I honestly don't think there's a worse service in Turkey for... the price paid. The unhelpful attitude of the customer service representatives only confirms how poor the service quality is. While they claim that the Superbox delivers the promi
I’ve been facing an internet issue with my Turkcell line, and even after reaching out to their customer service multiple... times, I’m still left without a resolution. Every time I reach out, I'm met with the same response: just wait for the results of a technical review—yet there’s never any progress.
On April 8th at 21:41, I spoke with a customer service sales representative regarding a Superbox application. During the... call, I was informed that I would receive an internet speed of approximately 150-200 Mbps, which is about half of the advertised maximum speed. However, it has now been 6 days, an
I reside in the heart of Adana, and my Turkcell internet is hardly functional—it has a tough time loading even the simpl...est pages or apps, as if it's only managing one or two bars at best. This issue has persisted for a considerable duration, and I’ve exhausted all possible solutions on my part to r
I started using a Turkcell line with the number 507 *****69 on February 27,... 2025, but I wasn’t satisfied with the call quality or internet performance
I am using Turkcell Superbox, but my internet speed is not even 1 Mbps. I had the same problem before; I call customer s...ervice, they do something to the modem, and the internet works properly for one day. However, the same problem continues on the second day. I feel like I'm stuck in a loop where no
I am using a Superbox from a company called Turkcell, and I have been facing numerous problems since the day I purchased... it. The internet speed is very slow, and I cannot use the internet consistently. Despite contacting Turkcell customer service multiple times, no effective solution has been provid
I live in Pendik, Istanbul, in a detached house located on the coastal road in a central area with 5-star hotels just 10...0-200 meters away. Despite this, my Turkcell mobile line barely gets 1 bar inside the house and 2 bars in the garden. At times, I am completely unreachable inside the house, and co
I constantly have speed problems with Turkcell. I supposedly have a 100 Mbps unlimited connection; I can receive 10 Mbps... data on a wired connection. I report a problem almost every two or three days, they say the team will come and look. Then they say the team has looked; either it is not fixed or t
