How do I know which Sunrise multicard SIM card is active at present?
To find out which Sunrise multicard SIM card is active, simply enter the following command: *101# +call button. Shortly afterwards, you will receive a message containing the ID of the active SIM card: "Sunrise multicard #n Status active". The SIM card with the number 1 is the main card, whilst those with the numbers 2 to 5 are the additional cards.
You will find all the information on the Sunrise multicard here: