Problemau

Problemau llinell dir neu fand eang

Information on how to complain if you’re waiting for a new line or a fault to be repaired.

Featured content

Negeseuon a galwadau niwsans

Namau a phroblemau gyda gwasanaeth ffôn symudol

Namau a phroblemau gyda band eang a llinellau tir

Llinellau tir a cholli pŵer

Problemau Gwasanaethau Cwsmeriaid

Atwrneiaeth a rheoli biliau trydydd parti

Cynlluniau Ffordd Amgen o Ddatrys Anghydfod

ADR schemes act as an independent middleman between the service provider and the customer when an initial complaint cannot be resolved. You can use the Ofcom ADR checker to see which provider belongs to which scheme

In this section

Problemau llinell dir neu fand eang
Additional charges
Customer service problems
Letter templates
Namau a phroblemau gyda band eang a llinellau tir
Newid eich darparwr ffôn neu fand-eang heb ganiatâd
How to improve your broadband speeds
Negeseuon a galwadau niwsans
Cynlluniau Ffordd Amgen o Ddatrys Anghydfod
Namau a phroblemau gyda gwasanaeth ffôn symudol
Landlines and power cuts
Problem with your phone provider?
Atwrneiaeth a rheoli biliau trydydd parti