How can I activate additional options for my existing Mobile subscription?
Is Wifi Calling supported?
How can I block my SIM card?
How can I see if an ordered option has been activated?
How can I see when the option is used up?
How do I configure my mobile phone?
Setup of your mobile voicemail box
What is the difference between the SIM cards?
Call I also use WiFi Calling abroad?
Can I make emergency calls via Wi-Fi Calling?
How can I activate Wi-Fi Calling on my Samsung Galaxy S8/S8+?
How can I activate WiFi Calling on my iPhone?
How can I tell whether a call is being made using WiFi Calling or via the mobile network?
How will WiFi Calling be billed?
What happens if I leave the Wi-Fi range while making a call?
What is WiFi Calling?
Which mobile phones support Wi-Fi Calling?
Which services are possible with Wi-Fi Calling?
Will WiFi Calling be activated automatically?
How can I see when the data credit has been used up?
What happens if I have used up the data allowances?
01. What is Mobile ID?
02. What are the requirements for the Mobile ID?
03. How do I activate my Mobile ID SIM card?
04. I have a new mobile phone. Do I have to register for Mobile ID again?
05. I have forgotten my Mobile ID PIN or have had it blocked
How do I configure my mobile phone for mobile data use abroad?
What do I need to do to use my mobile phone abroad (roaming)?
Call number porting
How can I keep my mobile number?
Do I need to set up my phone again, e.g. mailbox?
Do I now need a new subscription?
How can I see which network I am using?
What changes will there be for me?
What do I need to do if I can no longer make calls or browse the web?
What will happen on the 2nd of April 2019?
Will Wi-Fi Calling still be offered?