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
I contacted Turkcell customer services and through a BTK application on 13.05.2026 and was informed that a restriction h...as been applied to my name, preventing me from getting a new postpaid line. In the response given to me, it was stated that my line had been closed to use due to a violation of the
I am a Turkcell postpaid line subscriber in Ankara and I use the line with number 5309108***. A few months ago, a debt a...rose on my line and I was first informed about this with an SMS and then by phone. During the phone call I stated that I would make the payment, but I was told that if I did not pa
When my Turkcell prepaid line was activated, I was enrolled in a monthly package costing approximately $16 USD, and I wa...s specifically informed that this price would continue indefinitely without change. However, only 20 days after my line was activated, the package price was increased to approximat
On May 1, 2026, I purchased a $19 hotspot package on my Turkcell prepaid line. On the same day, I switched to a postpaid... plan, and due to this transition, my $19 hotspot package on the prepaid line was completely deleted without any warning. When I contacted customer service, they told me that once
On April 16, 2026, I started a subscription through Turkcell Superbox with the “Superbox 5G Home 1 TB” package. However,... on only the 14th day of usage, April 30, 2026, I encountered a data consumption report that is completely inconsistent with normal usage patterns and technical measurements. While
My Turkcell postpaid line’s “Bol Star Fırsat 40 GB” annual subscription ended on March 20, 2026. I had been paying aroun...d $14 per month for this plan. However, despite the expiration of my commitment, a new bill was issued without my approval, and I was charged approximately $25 for the next billing
I am a Turkcell postpaid subscriber and, while my existing commitment was still ongoing, I accidentally purchased a new ...package via the Turkcell mobile application due to the system’s guidance. My current package is 90 GB per month for ₺480 that is 1,080 GB per year for a total of ₺5,760, whereas th
I have been a long-time corporate subscriber of Turkcell Superbox. I have been using Superbox for 3 years, and for more ...than 2 years I have been on one of the highest corporate data packages. I pay between $60 and $120 per month, and during this time I consistently received internet speeds averaging
I have been experiencing a serious signal problem with my Turkcell mobile line for about 2 months in İstanbul, Silivri. ...At my workplace the phone is as if it is switched off, it does not work at all because there is no signal. At home I usually get only one bar and most of the time I cannot even use
Since April 1, I have been almost completely unable to use my Turkcell Superbox line in the Muğla Milas region. There ha...s been virtually no internet access, and I have not been able to establish a stable connection at all. Despite not being able to use the internet at home for approximately 15 days,
While using my Turkcell Advantage 30 package, on March 31, 2026, an additional 120 GB of internet was added to my line a...s part of the 5G Doubling Internet campaign. At that time, I still had 6 GB remaining in my main package. On the evening of April 3, 2026, at 10:41 PM in Adana/Seyhan, I started d
I use my Turkcell line in the Sultanbeyli Merkez neighborhood, and for about the past month, I have been experiencing se...rious issues with mobile internet signal and speed in my area. The connection quality has been inconsistent for a long time, but it has worsened significantly recently. Basic dail
In October, we purchased a 1 TB Superbox internet line from Turkcell. However, starting in January, the connection compl...etely stopped working, and for approximately 1.5 months, we have not been able to use the internet at all. During this time, despite repeated attempts, we have been unable to get
I have been using my Turkcell line without any issues for a long time, but since the transition to the 5G network on Apr...il 1, 2026, my line has become almost completely unusable. I am using a Samsung Galaxy A50 in the Esenyurt Kıraç area of Istanbul. Previously, the signal strength was very good, b
I have been experiencing seriously weak mobile internet on my Turkcell line for about 2–3 months in Şanlıurfa, Suruç. Th...e problem is not limited to a single point; the internet is very weak and unstable almost everywhere in the district and I cannot use the service efficiently. I have contacted Turk
I am a Turkcell mobile line customer and I want to use 5G service with an eSIM. For this, I need a new or updated eSIM Q...R code so that my line can be revised for 5G. However, I was informed that this can only be done by going to a physical Turkcell store, which creates an unnecessary obligation for
"Thank you"
I have been a Turkcell Platinum subscriber for about one year and my line w...ith the number 5389109*** is defined with an automatic payment order from m
"Mr. Fatih from Turkcell Customer Service solved my problem and processed a refund. I thank him for his attention and care."
I purchased my Turkcell mobile line from the Aydoğanlar İletişim dealer in ...Tarsus under a contract with a commitment plan. However, on March 12, 2026,
I am currently using the “Büyük Festival 40 GB” plan on my Turkcell line ending in 0532*******, and my contract is set t...o expire on April 9. Even though I am now in the final month of my contract, I have not been contacted by Turkcell with any new or competitive offer, nor have I received any reaso
About two months ago, I switched my mobile line to Turkcell, and since that day I have been experiencing constant signal... issues and interruptions. I currently live in Adana, work in Yenice (Mersin), and I am presently in my hometown of Ağrı. In all three of these locations, my line does not provide
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 recently transferred my line to Turkcell from the Pendik Esenyalı branch. During the application, I repeatedly asked t...he staff whether both 10 GB and the extra 10 GB in the GNC 10 GB + 10 GB package could be used for social media, and I was clearly told that both would be usable on social media. T
The contract for my Turkcell postpaid line ended on March 9, 2026. On March 10, 2026, I called customer service and requ...ested that my line be converted to a prepaid plan. However, the customer representative named H** (employee ID 90106383)** repeatedly refused my request, even though I clearly sta
