Sunrise 4evr Freedom - Can I change the Sunrise 4evr Freedom subscription to a different Sunrise 4evr Freedom subscription?

Sunrise 4evr Freedom - With the Sunrise 4evr Freedom subscription, can I get a new device plan and receive a device at a down payment as low as CHF 1.00?

Sunrise 4evr Freedom - I am an MTV mobile customer and I am turning 30. What will happen to my mobile subscription?

Can I change my mobile phone rate plan during the contract period? 

How do I switch from my old prepaid product to Prepaid airbag or Prepaid Unlimited?

I would like faster Internet. How can I switch my product?

Can I switch from my Prepaid subscription to a Sunrise Freedom subscription?

How is a subscription change billed?

I changed my subscription, why are the old subscription fees still showing up on my bill?

Can I keep my older mobile phone rate plan?