Superonline billing dispute

45 complaints

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Turkcell Superonline Has Not Restored My Fiber Internet After Cable Cut

September 10, 2025 11:34 AM32

I am a Turkcell Superonline fiber internet user with subscriber number 70898914, living in Gülbin Apartment, Şemikler Ne...

Wrong Information and Unauthorized Termination by Superonline

September 4, 2025 4:36 PM21

I have been a loyal Turkcell SuperOnline customer for many years (Subscription No: 10681678). Due to my mandatory reloca...

Superonline Charged Me a Termination Fee Despite Submitting Documents

August 19, 2025 12:02 PM31

I had been using 1 GB fiber internet from Superonline for almost 4–5 years. Since there was no infrastructure in the pla...

Superonline Charged Me for a Modem I Was Ready to Return

August 2, 2025 7:30 PM26

My Superonline home internet contract has ended, and I have no outstanding debt. I made my final payment on July 14, 202...

Superonline Sent Me Wrong SMS Then Claimed I Broke Contract

July 10, 2025 5:02 PM27

I was a Turkcell Superonline customer, and they sent me an SMS saying that my contract would end on June 30. Relying on ...

Turkcell Superonline ADSL Problem

July 4, 2025 2:03 PM68

Although we reside right in the city center of İzmit, a district of Kocaeli, we have not been receiving any service for ...

Turkcell Superonline Put Me in Debt for a Mobile Line I Never Used

June 17, 2025 7:10 PM36

I bought a Turkcell Superonline internet subscription, I was making my monthly bill payments using the internet subscrip...

Superonline Unauthorized Additional Charge "Other Service Fees"

June 14, 2025 5:17 PM34

I have been paying a fixed monthly fee of ₺350 for my Superonline internet service. However, in the June 2025 billing pe...

Turkcell Superonline Switched My Plan Without My Consent

June 10, 2025 5:44 PM28

On June 9, 2025, I called Turkcell Superonline customer service to switch to the 1000 Mbps Pro Modem Symmetric Fiber Cam...

Superonline Reactivation Fee Objection and Invoice Correction Request

June 2, 2025 8:54 PM56

In relation to my Superonline internet subscription, my connection speed was reduced to 512 Kbps due to a delayed paymen...

Superonline Contract Ended, No Approval, Got Charged

June 2, 2025 8:47 PM57

On March 21st, my Superonline Internet + TV Plus contract ended. On April 1st, I received four SMS messages stating, "yo...

Superonline Blocked My Internet Renewal - Refused to Explain

May 20, 2025 10:31 AM37

I logged in online from mobile to extend the commitment period of my home internet package that will end on 26.05.2025 w...

Turkcell Superonline Disconnects My Home Internet Repeatedly

May 19, 2025 9:02 PM41

I am not satisfied with the Turkcell Superonline home internet service. I have been experiencing frequent disconnections...

I Cannot Benefit from My Superonline 1000 Mbps Plan Without a Wi Fi 6 Modem

May 4, 2025 1:18 AM36

My Superonline customer number is 73675***. I’m a Superonline fiber subscriber and had been using a 25 Mbps internet pac...

I Cannot Benefit from My Superonline 1000 Mbps Plan Without a Wi Fi 6 Modem
I Cannot Benefit from My Superonline 1000 Mbps Plan Without a Wi Fi 6 Modem
I Cannot Benefit from My Superonline 1000 Mbps Plan Without a Wi Fi 6 Modem

Superonline Service Failure and Unlawful Cancellation Fee

April 26, 2025 10:39 PM42

In March 2025, I started a fixed internet subscription with a 24-month commitment. Since the day I subscribed, I have be...

Superonline Refused to Renew My Contract Citing False Debt Claims

April 24, 2025 8:56 PM30

My contract with Superonline ended on February 25, 2025. I intended to renew my commitment, but I was informed that the ...

Unfair Termination Fee / No Service by Superonline

April 21, 2025 2:39 PM28

Since April 18, 2025, our Superonline fiber home internet has been down due to a technical fault in our area, and we hav...

Superonline Refused to Cancel My Home Internet Without Fee Within 14 Days

April 16, 2025 1:23 PM27

On April 10, 2025, at 17:50, I had Superonline service installed at my home. After that day, I was only able to use the ...

Turkcell Superonline Internet Has Been Down for Days - Support Does Nothing

March 13, 2025 9:49 AM49

When I woke up on the morning of March 8, 2025, I saw that my Turkcell Superonline internet connection was down. Today i...

Turkcell Superonline Charged Me a Cancellation Fee Despite No Infrastructure

March 3, 2025 4:49 PM33

I had to cancel the service I received from Turkcell Superonline because they didn't have infrastructure at my new addre...

Turkcell Superonline Charged Me for a Connector They Never Replaced

February 25, 2025 11:15 AM40

The service team at Turkcell Superonline stated in their report that they had replaced the connector, but in truth, they...