Answers to frequently asked questions about the new inOne subscriptions.
Set up & use COMBOX®
Roaming: using your phone abroad
Managing your prepaid costs
Set up email
Extending your contract
SMS to 444
My Swissom App
Replacing your SIM
Lost or stolen phone
Unblock PIN & PUK, SIM
Blocking calls and numbers
Swisscom offers professional and speedy support.
Follow your device's instructions to set up your mobile phone.
Do you have questions concerning our products?
We will help you via telephone or chat.
My Swisscom App