No network: Fix mobile faults
No network or slow Internet on your mobile, or mobile network not working? What you can do to resolve mobile faults easily online.
Immediate assistance
No network? What you can do:
Smart Support will guide you step by step to get your
mobile up and running again quickly.
If you cannot connect to the mobile network, you can use WiFi Calling to make calls via the WLAN.
Smart Support will guide you step by step to get your
mobile up and running again quickly.
If you cannot connect to the mobile network, you can use WiFi Calling to make calls via the WLAN.
No network
Follow these instructions if you have no Swisscom network on your mobile:
1. Restart mobile phone
Switch your mobile off and back on again.
2. Check SIM
Remove the SIM card and put it back in.
3. Update software
Install the latest software update.
4. Activate LTE
In settings, change the network mode (e.g. activate LTE).
5. Reset the settings
Reset the network settings (NB: this deletes all data).
Fault in the mobile network
Are other people affected by the fault? Go to www.swisscom.ch/status(opens in new tab) for information about current faults and maintenance work.
Or is the reception poor in your location? Check on the network coverage map how good mobile phone reception is at your location.
FAQs
I have no network on my mobile, what can I do?
Start Smart Support(opens in new tab) or follow the instructions to check your mobile.
Why is the network slow on my mobile?
There may be various reasons for this. Start Smart Support(opens in new tab) or follow the instructions to check your mobile.
Still having problems? Check whether there is a fault on the mobile network
What can I do if the data connection is not working?
Start Smart Support(opens in new tab) or follow the instructions to check your mobile.
Is my SIM card damaged?
If you’re having problems with your SIM card, try the following tips:
- Remove the SIM card from the phone and reinsert it
- Try the SIM card in a different phone
- Switch to an eSIM
Why am I unable to make calls abroad?
Ensure that you include the correct country code and remove the block on international calls in My Swisscom(opens in new tab).
Other mobile problems
Here’s where to find practical instructions for the following mobile problems:
Get support
Chat with Swisscom
Chatbot Sam helps you instantly. If Sam can’t help, a Swisscom employee will take over.
Help from customers
Didn't find what you were looking for?
Get personal help from experienced Swisscom customers.<
To the Community