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Complaints

137 complaints
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1

Turkcell Superonline 20 Days Without Service And No Installation

June 3 5:29 PM33

Turkcell Superonline and its dealer, Planet ECM, have provided absolutely no service for the past 20 days. Despite calli...

Turkcell Superonline Fiber Frequent Internet Outages

March 13 2:23 PM226

I am a Turkcell Superonline fiber internet subscriber using a 100 Mbps package at my address in Koza Mahallesi, Esenyurt...

Turkcell Superonline Canceled My Subscription Without Final Approval

January 9 2:06 PM61

I was using the Turkcell Superonline TV+ Premium x HBO Max service at my address in Küçükçekmece, Istanbul. On December ...

I Face Superonline TV Plus App Not Working on My Samsung TV for Weeks

December 11, 2025 11:04 PM93

For about one month, I have not been able to properly use the TV Plus application included with my Superonline service o...

1

Superonline Internet Down For Eight Days With Red LOS Light - No Resolution

December 5, 2025 12:10 AM107

I am a Superonline subscriber using the 50 Mbps campaign home internet service at my address. As of 28.11.2025 at 01:50,...

Superonline Internet Down For Eight Days With Red LOS Light - No Resolution

Superonline Fiber Internet Down - No Info or Resolution For Customer

December 2, 2025 6:10 PM56

I am a Superonline fiber home internet customer, and on December 2nd at around 09:30 in the morning my internet connecti...

2

Turkcell Superonline Free Tablet Promise Not Delivered After Renewal

December 2, 2025 12:02 AM74

Last month I extended my Turkcell Superonline internet and TV subscription with the promise of a free tablet in return f...

Superonline Fiber Internet And TV Plus Misleading Pricing

November 17, 2025 3:07 AM49

I signed up for fiber internet for about ₺700, and shortly after, a woman called saying that with this subscription, TV ...

Turkcell Sent Me Another Person’s Superonline Debt SMS on My Own Number

November 15, 2025 5:13 PM40

For years, I have been receiving Turkcell Superonline debt messages on my phone line ending in 1095, which has been regi...

1

Turkcell Superonline Didn’t Collect Modem After Subscription Ended

November 10, 2025 8:01 PM73

Since my Turkcell Superonline fiber optic internet subscription has ended, the modem device was supposed to be collected...

1

Turkcell Superonline Fiber Internet Constant Disconnection and Slow Speed

November 9, 2025 9:32 AM59

I have been using Turkcell Superonline fiber internet service for a long time at my address. However, I have been experi...

1

Superonline Charged A Cancellation Fee After Five Days of Internet Use

November 8, 2025 1:18 AM49

I applied to Superonline for a 100 Mbps home internet service. The installation team that came to my home told me that m...

1

Turkcell Superonline Increased My Fiber Internet Bill

November 3, 2025 3:51 PM50

I am a Turkcell Superonline fiber internet subscriber. When I started my subscription in July 2025, I signed a 12-month ...

Superonline Fiber 100 Mbps Internet Keeps Disconnecting for a Month

November 2, 2025 11:07 PM55

I have been experiencing constant disconnections with my Superonline Fiber 100 Mbps internet subscription for about a mo...

Superonline Charged Me For Returned Modem And Filed Lawsuit

November 1, 2025 4:16 PM56

I canceled my Turkcell Superonline home internet subscription (number 10494202) without any cancellation fee due to marr...

Superonline Charges Loyal Fiber Users For New Modem Replacement

November 1, 2025 11:35 AM54

My Turkcell Superonline modem broke down. I’ve been a fiber internet subscriber for about 20 years, and when the modem I...

1

Superonline Internet Still Not Connected After Application

October 27, 2025 6:06 PM50

On October 21st, I applied for a Turkcell Superonline home internet subscription. Despite the time that has passed, the ...

1

Superonline Fiber Work Left Damaged Road and Potholes

October 26, 2025 6:02 PM54

About two months ago, after Superonline carried out fiber infrastructure work on 4246 Street in Şirinkent Neighborhood, ...

Superonline Fiber Work Left Damaged Road and Potholes
Superonline Fiber Work Left Damaged Road and Potholes
1

Superonline 1000 Mbps Fiber Internet Constant Speed Drop Problem

October 22, 2025 9:49 PM60

"They renewed the modem, and now when I run tests, we observe that much higher speeds are reached compared to before. Thank you for their support."

Although I have a 1000 Mbps fiber internet subscription with Superonline, I have been experiencing persistent speed drop...

5
Resolved
October 10, 2025 12:59 AM22

"The issue has been resolved."

Süleyman removed this complaint from publication

Superonline Canceled My 100 Mbps Fiber Internet Installation Request

October 9, 2025 10:28 AM69

On September 30, 2025, I purchased a 100 Mbps Superonline fiber internet package with a 12-month contract, offering the ...