Sony Xperia1 IV User Manual page 123

Call ends.
Calling the Emergency Number When the Phone's Screen
is Locked
Flick Lock Screen up
Available only when screen lock is set to "Pattern," "PIN," or "Password."

Hints
Q
Call does not connect
A
Was the number dialed using the area code? Dial the number starting with "0."
A
Are conditions for calling poor? Call again after moving where signal is good.
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Phone
EMERGENCY CALL Enter number for emergency service