Turkcell Logo

Turkcell

Turkcell Logo
Turkcell

Complaints

414 complaints
Search in results...
4
Resolved

Turkcell Activates Line Without Contract and Overcharges Customer

March 23 5:51 PM52

"Mr. Fatih from Turkcell Customer Service solved my problem and processed a refund. I thank him for his attention and care."

I purchased my Turkcell mobile line from the Aydoğanlar İletişim dealer in ...

1

Turkcell Did Not Offer Better Plan Before Contract Expiration

March 18 12:44 AM62

I am currently using the “Büyük Festival 40 GB” plan on my Turkcell line ending in 0532*******, and my contract is set t...

1

Poor Mobile Network Coverage on Turkcell Across Multiple Cities

March 18 12:27 AM66

About two months ago, I switched my mobile line to Turkcell, and since that day I have been experiencing constant signal...

1

Turkcell Internet Speed Problem – Poor Mobile Data Despite High Prices

March 16 4:38 PM49

For the past two years, Turkcell has been charging high monthly fees for poor-quality service, bad communication, and un...

1

Turkcell GNC 10 GB + 10 GB Package Misleading Info And Fee

March 10 6:07 PM41

I recently transferred my line to Turkcell from the Pendik Esenyalı branch. During the application, I repeatedly asked t...

1

Turkcell Refused to Switch My Line to Prepaid After Contract Ended

March 10 12:56 PM42

The contract for my Turkcell postpaid line ended on March 9, 2026. On March 10, 2026, I called customer service and requ...

We Are Experiencing Network Problems With Turkcell

March 2 6:59 PM61

I am a Turkcell mobile line user residing in Istanbul, Sultanbeyli, Ahmet Yesevi neighborhood, and for the last 3–4 mont...

1

Turkcell Digital Operator App Shows Massive Price Increase

March 2 5:58 AM46

When I tried to purchase an add-on package for my Turkcell line through the Digital Operator app, I noticed an extreme p...

Turkcell Line Transfer Stuck Waiting for Courier Delivery

February 20 6:37 PM47

Since February 13, 2026, I have been waiting for my Turkcell SIM card, which I requested through number portability, to ...

Turkcell Doesn't Fix High Ping Problem

February 19 8:37 PM50

I have been experiencing constant high ping problems with my Turkcell Superbox internet service in Ankara Çankaya. The p...

Turkcell Doesn't Fix High Ping Problem
5
Resolved

Turkcell Misleading Tariff Charges

February 18 7:42 PM73

"I especially thank Ms. Almina for getting in touch with me and solving the problem."

Around 26 December 2025, I was called by Turkcell customer service regardin...

1

Turkcell Poor Network Coverage Causes Ongoing Service Issues

February 18 5:15 PM72

Since switching to Turkcell, I have not been receiving proper service in the Bosna Hersek neighborhood of Konya. I am ex...

1

Turkcell Superbox Coverage Problem After Contract Signing

February 16 5:21 PM36

We have been a long-time corporate customer of Turkcell. We purchased the Superbox internet service with a one-year cont...

Turkcell Forces Extra Data Purchases Without Valid Usage Records

February 10 6:23 AM64

I am the user of the individual postpaid line with the number 0532 747 92 ** under Turkcell. In the January 2026 and Feb...

1

Turkcell Charges Loyal Customers More Than New Users

February 9 11:18 PM55

I have been a Turkcell customer for many years and have always paid my bills on time. I am currently using the Mega+Bol ...

1

Turkcell Changes Billing Cycle and Cancels Promised Free Month

February 7 11:02 AM29

I was previously a Turkcell customer and decided to return to Turkcell again. I called customer service and purchased a ...

4
Resolved

Turkcell Promised Nationwide Coverage but My Line Has No Signal

January 31 4:08 PM23

"You sent a message saying you'd get in touch, but you didn't. Is your line also not working, or what?"

Based on Turkcell’s advertisements claiming to provide “coverage everywhere...

Turkcell Poor Signal Strength Disrupts Calls and Internet

January 13 8:27 AM89

I am a Turkcell mobile line user residing at the address Balıkesir. For about a week, the signal strength in this area h...

Turkcell Switched My Superbox Plan Without Notice and Raised My Bill

January 10 8:48 PM36

Even though the commitment period for my Turkcell Superbox 200 GB subscription, linked to the phone number 535 360 8945,...

3

Turkcell 12 Month Subscription Same Day Cancellation Fee Dispute

January 7 9:17 PM48

Today at around 3 p.m., I accepted a 12‑month subscription offered to me in a phone call from Turkcell for my iPhone 12 ...