I am a Turkcell Superonline Fiber internet user. Since my 200 Mbps subscription's contract period ended, I upgraded to 1000 Mbps by paying the price difference during the renewal. However, since the upgrade, I have not seen any change in my internet speed. When I call customer service, they claim I’m getting 870 Mbps. We’ve tried restarting and resetting the modem, but I never see those speeds. I’ve attached a screenshot showing the maximum speed I can get, and here is the link to the test result: https://turkcellhiztesti.speedtestcustom.com/result/1c603a60-1889-11f0-ad51-fdc31dbd4f6b. They refuse to open a support ticket, saying there is no issue or fault. When I ask to speak to a supervisor, I’m told someone will call back within 3 hours—apparently, they’re extremely busy. They even offered to send technical support for a ₺600 fee, which feels like a joke. I refuse to pay for a service visit caused by their own internet issues. I want a technician to come free of charge, test the speed next to the modem, and show me that I’m getting 870 Mbps. I do not accept being told there’s no problem just because someone checked a screen at the call center. My request is clear, and I’ve already filed an official complaint through Presidential Communication Center.
Superonline 1000 Mbps Fiber Internet Service Does Not Match the Speed I Receive! I subscribe to Turkcell Superonline’s 1000 Mbps fiber internet service, but for months the actual speed I’ve been receiving fluctuates between 90–150 Mbps. Despite calling customer service multiple times, they keep insi...
I've been using Turkcell Superonline Fiber for about 10 months now. My package is supposed to provide 25 Mbps, but the actual internet speed I'm getting barely reaches 1.5-2 Mbps. While speed tests show no issues (as seen in the screenshot), the actual download speeds are terrible. Instead of 25 Mbp...
I have a Turkcell Superonline 1000 Mbps internet subscription. For the past 10 days, I’ve been experiencing constant disconnections and download speeds measured in kilobytes. I’ve repeatedly called customer service, and online troubleshooting was attempted but didn’t work. A technician came to my ho...
On June 1, 2024, at 5:00 PM, I contacted Turkcell Superonline representatives at 0532**32 00 00 to upgrade our existing 100 Mbps internet speed to 200 Mbps. They upgraded it, but then completely cut off our internet. We tried calling 5-6 times afterward, but the calls were repeatedly disconnected wh...
Since 2014, I have been a Turkcell Superonline customer. Unfortunately, over the past year, I have experienced extremely negative issues with my internet service. With only two days remaining on my contract, I did not want to go through the trouble of switching to another provider, so I accepted the...
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