Guide

Setting up WiFi Calling & eSIM properly

Step by step — stay reachable over Wi-Fi, get your data through eSIMProfi24, keep roaming switched off.

iPhone 13 / 14 / 15 / 16 · ✅ dual eSIM

Two eSIMs active at the same time

📶 Activate WiFi Calling — step by step

Apple📶 Wi-Fi

⚙︎ Settings›

Settings›

…

Step 1 / 5

→

Apple📶 Wi-Fi

Settings›

Cellular›

…

Step 2 / 5

→

Apple📶 Wi-Fi

Cellular›

Add SIM (scan eSIM)›

…

Step 3 / 5

→

Apple📶 Wi-Fi

Add SIM (scan eSIM)›

Settings → Phone → Wi-Fi Calling›

…

Step 4 / 5

→

Apple📶 Wi-Fi

Settings → Phone → Wi-Fi Calling›

Turn on for the Swiss SIM

Done ✓

Step 5 / 5

Switch data to eSIMProfi24

Settings → Cellular → Cellular Data
Select eSIMProfi24

Turn roaming OFF on the Swiss SIM

Settings → Cellular → Swiss SIM
Data Roaming → OFF

💡 Swisscom activates WiFi Calling automatically

S22 / S23 / S24 / S25 series · ✅ dual eSIM

Depending on model and region

📶 Activate WiFi Calling — step by step

Samsung Galaxy📶 Wi-Fi

⚙︎ Settings›

Settings›

…

Step 1 / 5

→

Samsung Galaxy📶 Wi-Fi

Settings›

Connections›

…

Step 2 / 5

→

Samsung Galaxy📶 Wi-Fi

Connections›

Mobile networks›

…

Step 3 / 5

→

Samsung Galaxy📶 Wi-Fi

Mobile networks›

Select the Swiss SIM›

…

Step 4 / 5

→

Samsung Galaxy📶 Wi-Fi

Select the Swiss SIM›

Wi-Fi calling → ON

Done ✓

Step 5 / 5

Switch data to eSIMProfi24

Settings → Connections → SIM manager
eSIMProfi24 → Mobile data: ON
Swiss SIM → Mobile data: OFF

Turn roaming OFF on the Swiss SIM

Settings → Connections → Mobile networks
Swiss SIM → Data roaming: OFF

💡 Alternatively under Settings → Connections → Wi-Fi calling

Pixel 6 / 7 / 8 / 9 · ✅ dual eSIM

Dual eSIM from the Pixel 6 onwards

📶 Activate WiFi Calling — step by step

Google Pixel📶 Wi-Fi

⚙︎ Settings›

Settings›

…

Step 1 / 5

→

Google Pixel📶 Wi-Fi

Settings›

Network & internet›

…

Step 2 / 5

→

Google Pixel📶 Wi-Fi

Network & internet›

SIMs›

…

Step 3 / 5

→

Google Pixel📶 Wi-Fi

SIMs›

Tap the Swiss SIM›

…

Step 4 / 5

→

Google Pixel📶 Wi-Fi

Tap the Swiss SIM›

Wi-Fi calling → ON

Done ✓

Step 5 / 5

Switch data to eSIMProfi24

Settings → Network & internet → SIMs
eSIMProfi24 → Mobile data → ON
Swiss SIM → Mobile data → OFF

Turn roaming OFF on the Swiss SIM

Settings → Network & internet → SIMs
Swiss SIM → Data roaming → OFF

💡 The Pixel shows a 'W' in the status bar when WiFi Calling is active

13T / 14 / 14T / 15T series · ⚠️ only one eSIM active

14T: dual eSIM possible, 14: only one eSIM active

📶 Activate WiFi Calling — step by step

Xiaomi (EU/Global ROM)📶 Wi-Fi

⚙︎ Settings›

Settings›

…

Step 1 / 5

→

Xiaomi (EU/Global ROM)📶 Wi-Fi

Settings›

SIM cards & mobile networks›

…

Step 2 / 5

→

Xiaomi (EU/Global ROM)📶 Wi-Fi

SIM cards & mobile networks›

Swiss SIM›

…

Step 3 / 5

→

Xiaomi (EU/Global ROM)📶 Wi-Fi

Swiss SIM›

Wi-Fi calling → ON›

…

Step 4 / 5

→

Xiaomi (EU/Global ROM)📶 Wi-Fi

Wi-Fi calling → ON›

If hidden: enter code *#*#869434#*#* in the dialler

Done ✓

Step 5 / 5

Switch data to eSIMProfi24

Settings → SIM cards & mobile networks
eSIMProfi24 → Mobile data: ON

Turn roaming OFF on the Swiss SIM

Settings → SIM cards & mobile networks
Swiss SIM → Data roaming: OFF

💡 EU/Global ROM only — the CN version supports neither eSIM nor WiFi Calling

🔓 If „Wi-Fi calling" is not visible — enter the hidden code in the dialler:
*#*#869434#*#*

OnePlus / Oppo / Motorola / Sony · ℹ️ depends on the model

Depends on the model

📶 Activate WiFi Calling — step by step

Other Android📶 Wi-Fi

⚙︎ Settings›

Settings›

…

Step 1 / 4

→

Other Android📶 Wi-Fi

Settings›

SIM / network / connections›

…

Step 2 / 4

→

Other Android📶 Wi-Fi

SIM / network / connections›

Swiss SIM → WiFi Calling / Wi-Fi calling›

…

Step 3 / 4

→

Other Android📶 Wi-Fi

Swiss SIM → WiFi Calling / Wi-Fi calling›

Tip: type 'WiFi Calling' into the search bar

Done ✓

Step 4 / 4

Switch data to eSIMProfi24

Settings → SIM manager
Set eSIMProfi24 as the data SIM

Turn roaming OFF on the Swiss SIM

Settings → Mobile networks
Swiss SIM → Data roaming: OFF

💡 Menu names vary by manufacturer

WiFi Calling support at Swiss providers

Provider	WiFi Calling	Abroad	Activation
Swisscom	✓ Yes	✓ Yes	Automatic on compatible devices
Sunrise	✓ Yes	✗ No	Enable via the MyRise app
Salt	✓ Yes	✓ Yes	Enable via the Salt app
Wingo	✓ Yes	✓ Yes	Automatic (Swisscom network)
GoMo	✓ Yes	✓ Yes	Automatic (Salt network)
Yallo	✓ Yes	✗ No	Settings → SIM → Wi-Fi calling
CHmobile	✓ Yes	✗ No	Settings → SIM → Wi-Fi calling
Lidl Connect	✓ Yes	✓ Yes	Automatic (Salt network)
M-Budget	✓ Yes	✓ Yes	Automatic (Swisscom network)
Other MVNOs	? Unknown	? Unknown	Ask your provider

As of: June 2026 · last checked: 2026-06-01