Superonline slow speed

25 Complaints

14100
(28 reviews)
Write a Complaint
1
Mehmet is completely dissatisfied with the result

Turkcell Superonline Fiber Internet Constant Disconnection and Slow Speed

profile
Mehmet
November 09, 2025 9:32 am
59

Superonline Fiber Internet Constant Connection Drops and Slow Speed

profile
İsmail
November 08, 2025 12:43 pm
73

Facing Constant Internet Disconnections with Superonline

profile
Turgay
October 08, 2025 9:58 pm
48
facing-constant-internet-disconnections-with-superonline-1.jpg

Poor Internet From Turkcell Superonline for 10 Years

profile
Serkan
August 17, 2025 9:26 am
24
1
Halit is completely dissatisfied with the result

Superonline Internet Speed Drops After Complaint Closure

profile
Halit
June 18, 2025 8:16 pm
35

Superonline Reactivation Fee Objection and Invoice Correction Request

profile
Yaren
June 02, 2025 8:54 pm
56

Superonline Internet Service Does Not Match the Speed I Receive!

profile
Şafak
May 14, 2025 6:48 pm
41

Unresolved Relocation Issues and Service Delays With Superonline

profile
Egehan
May 06, 2025 5:14 pm
53
1
Kime is completely dissatisfied with the result

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

profile
Kime
May 04, 2025 1:18 am
36
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

Turkcell Superonline Fiber Internet Speed Complaint

profile
Mehmet
April 13, 2025 8:36 pm
27
1
Sedat is completely dissatisfied with the result

Superonline Gives Unfair Upload Speed to Corporate Users

profile
Sedat
March 08, 2025 9:40 am
17
1
Batuhan is completely dissatisfied with the result

Superonline Gave Me 6 Mbps Instead of 500 Mbps and Refused a WiFi 6 Modem

profile
Batuhan
March 02, 2025 2:17 pm
33
1
Alp is completely dissatisfied with the result

Superonline Disconnects My Internet and Offers No Real Solutions

profile
Alp
February 07, 2025 3:31 pm
35
1
Bora is completely dissatisfied with the result

Superonline Misled Me About 1000 Mbps Plan and Gave Only 10 Mbps Upload Speed

profile
Bora
January 17, 2025 12:53 pm
55
1
Samet is completely dissatisfied with the result

Superonline Reduced My 35 Mbps VDSL Speed to 15 Mbps and Ignored My Complaints

profile
Samet
January 13, 2025 5:24 pm
28
Superonline Reduced My 35 Mbps VDSL Speed to 15 Mbps and Ignored My Complaints
1
Mert is completely dissatisfied with the result

Superonline Upload Speeds Drop to 0.2 Mbps Overseas While Blaming My Wi-Fi

profile
Mert
January 10, 2025 7:20 pm
41

Turkcell Superonline Internet Slowed and Disconnects After I Signed a Commitment

profile
Erdi
September 26, 2024 8:14 am
64

Unresolved Infrastructure Issue With Turkcell Superonline

profile
Ayça
August 23, 2024 4:15 pm
50

Turkcell Superonline Slow and Unreliable Internet

profile
Rahime
August 05, 2024 11:58 pm
48

Turkcell's Poor Internet Connectivity and High Costs

profile
Muttalip
June 29, 2024 6:09 pm
39

Constantly Slow Turkcell Home Internet Speeds

profile
Caner
June 15, 2024 10:04 am
42

Turkcell Superonline Slow Internet Speeds and Unresolved Issues

profile
Lexius
May 25, 2024 8:50 pm
90
Turkcell Superonline Slow Internet Speeds and Unresolved Issues
Turkcell Superonline Slow Internet Speeds and Unresolved Issues

Superonline Overcharging for Technical Support

profile
Onur
May 23, 2024 2:09 pm
53