Visit the independent test page operated by "CNLAB" to check the speed of your DSL modem.
How to proceed
- Visit the CNLAB test page to run several speed tests and note down the download and upload data rates.
- Speeds may vary depending on various factors (e.g. distance between the telephone connection and the telephone exchange, WLAN functionality, computer overload, etc.). Additional information can be found in the FAQ on the “CNLAB” test page.
Switching to a slower Internet connection immediately may be subject to charges if your minimum contract period has not yet expired. You will be provided with relevant information during the order process.
Is your Internet connection too slow? Sign up here for high speed fibre optic Internet.