Hello, I have been a Turkcell customer for years, but I am very disappointed. Two days before my old plan ended, I signed a new 12-month contract. However, when I checked, I realized it was only for 11 months. I called customer service, but they said there was no mistake. I even double-checked my contract details, but nothing explained the missing month. Not only was one month of my previous plan taken away, but my bill is also higher than expected. How does this calculation make sense? I request that this mistake be corrected. Otherwise, I will end my relationship with Turkcell. If customer satisfaction is truly important, I must say I am not satisfied.
My 12-month contracted package expired, and Turkcell automatically renewed it without informing me. When I contacted customer service, they informed m...
I used to have a Turkcell phone line, but I recently stopped my contract because the time I was supposed to keep it was up. When I called customer service twice, they both told me I would only be charged for the time I used. At first, the balance showed ₺97, which seemed fair. When the bill came, th...
On November 5, 2024, I contacted Turkcell customer service to extend my line contract, which was set to expire on November 10, 2024. On November 11, I checked the Turkcell app and noticed my contract period was listed as November 5, 2024 - October 9, 2025. I discussed this with a colleague who had s...
I have been using a Turkcell mobile line for approximately two and a half years. In November 2025, an early termination / cancellation fee of about $156 was charged to my bill after I changed my in-network tariff through customer service. I did not terminate my line; I only requested a tariff change...
I have been using a Turkcell mobile line in Bursa and have always paid 431 TL per month for my package. When I logged into my bank account in December 2025 to pay my bill for the new period, I suddenly saw that my invoice had increased to 1,061.50 TL. I had not been informed in advance of any change...
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