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 my mobile phone. Within two days, most of my internet package was unfairly consumed. I contacted customer service about the issue, but they couldn’t help. They only mentioned the amount of data used during those hours and did not provide any detailed explanation or log records. I was also not informed about which app or activity used that much data. This is the first time I have experienced such a situation, and using 12 GB in just two hours is unbelievable. There were no additional packages or special usage cases either. I request that Turkcell thoroughly investigate this data usage and restore my internet package. Otherwise, if this happens again, I will transfer this line and my other line registered with Turkcell to a different service provider.
I was using a 50 GB package with a 12-month commitment on my Turkcell postpaid line 0554*****12. My commitment was supposed to end on 09.08.2025, but on 08.08.2025 at 14:40, I switched to another operator. Following this, I was billed a total of ₺1300.59, which included a ₺650.05 early termination f...
Between 9 a.m. yesterday and 10 a.m. this morning, Turkcell reported that I consumed 2.4 GB of data exclusively on WhatsApp. This level of data usage feels quite strange, especially since I only sent a handful of messages and had a brief video call. It's difficult to believe that such a level of con...
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 bo...
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...
On February 20th, 2024, I purchased a 40 GB data package for social media. This package also included 30 GB bonus data. My bonus data expired on March 10th, 2024, and then my 40 GB package and an additional 45 GB package kicked in. However, on March 16th, 2024, I received a message stating that I ...
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