1. Open itellco.ch. Click on the left: "Forgot your password?
2. Choose whether you want to reset the password with the e-mail address that you use in your iTellco account, or with the telephone number that is registered. Enter the relevant details in the field with the green border and click "Next".
3. Depending on the method you chose in the previous step, you will receive an email or SMS with a code that you will need to enter it in the corresponding field and then click "Next".
4. Choose a new password. This must be different from the previous password. It must contain numbers, upper and lower case letters and special characters.
At the end, click the "Next" button.
5. You will be taken back to the login page. You can then log in using your email address and your chosen password.