2. If your phone has two SIMs, touch the SIM set up for Wi-Fi calling.
3. Touch Wi-Fi calling.
4. Touch When Roaming and choose Prefer Wi-Fi.
Other reasons why Wi-Fi calling may not work:
•
If you're in airplane mode, a Wi-Fi call will drop when you lose your Wi-Fi connection.
•
When traveling internationally, some carriers require turning on Wi-Fi calling before leaving your home 
country.
•
Some countries don't allow Wi-Fi calling, and some carriers restrict Wi-Fi calling to and from certain 
countries. See your carrier for details.
Block calls and texts
About blocking
If you don’t want to get calls or texts from a certain phone number, you can block it. When the number tries 
to contact you, your phone declines automatically.
Block a number
Use either app to block both calls and texts from a number.
From the   Phone app:
1.
Touch  .
2. Touch & hold a call from the number to block.
3. Touch Block/report spam.
4. If you don’t want to report the number as spam to Google, remove the checkmark.
5. Touch Block.
From the   Messages app:
1. Touch & hold the conversation thread from the number to block.
2.
Touch   > Block.
Or, touch   (for numbers saved in your contacts).
3. If you don’t want to report the call as spam to Google, remove the checkmark.
4. Touch OK.
Block all numbers for a contact
1.
Open the   Contacts app.
2. Touch the person's name.
3.
Touch   > Block numbers.
Contacts, calls, voicemail : Phone calls
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