I have been a Turkcell postpaid customer for about a year, and although I have a 60 GB internet package, it runs out very quickly. In recent months, my data has been completely consumed within just 13 days. Yet during the day, I use my company’s internet at work and my own Wi-Fi at home. Even the bonus data I win from Salla Kazan appears to be used up within a few hours, despite not using it. My mother is a Vodafone customer, and her 10 GB package lasts her an entire month, which makes me believe this issue with Turkcell is company-related. Just yesterday, 7 GB from my renewed package was consumed in a single day without my usage, leaving me victimized again. Every month, I am forced to buy extra packages, and my bill nearly doubles. I deeply regret this and am considering closing my line and switching to another operator as soon as possible. Despite contacting customer service many times, no solution has been offered. I live in İzmir Çiğli, and this problem persists constantly. I demand that my grievance be resolved and that I be provided with a detailed usage report.
On October 10, 2025, on my Turkcell postpaid line, it was reported that I used about 12 GB of internet in total — 3 GB around 12:00 p.m. and 9 GB around 1:45 p.m., on the same day my package was renewed. However, it is impossible for me to use such a large amount of data in such a short time through...
I am raising a complaint regarding my 26 GB data plan with Turkcell, which I've used for 10 months without issue until the last two months, during which my data has run out unusually fast. Last month, my package was depleted quicker than expected, despite only using social media, browsing, and occas...
I was a Vodafone user before switching to Turkcell, and this is my second month with them, but I’ve never experienced such poor service. My monthly 25 GB of data suddenly ran out within 6-7 days. I thought maybe I left something open by mistake, so I paid ₺320 for an additional 10 GB on September 18...
There is no way I exceeded my internet usage during the specified dates. Unlike in the past, I did not receive any warning messages about my remaining data balance. During those days, I was either at home or at work, both of which have stable Wi-Fi connections, so I had no reason to use mobile data....
On May 25, 2024, my Turkcell postpaid plan was renewed. My 20 GB plan was exhausted in just 6 days. Turkcell claims it's due to my usage, but I've been using the same plan for months, and it's impossible for me to finish it in 6 days. That's the first issue. The second issue is when I tried to canc...
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