Sony Xperia 1 IV SO-51C Instruction Manual page 240

For docomo
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Setting the preferred network type
From the Home screen,
1
u
[Settings]
u
internet]
[SIMs].
For using a nano SIM card and eSIM at
the same time, the SIM selection screen
appears. Select a SIM to set.
[Preferred network type].
2
Select the preferred network type
3
to set.
Select "5G/4G/3G/GSM" to switch
available network type automatically.
Date & time settings
When "Set time automatically", "Set time
zone automatically" in "Date & time" are ON,
time and time differences of the terminal are
corrected by receiving the information
related to time and time differences from the
network of overseas network operator you
are connecting to.
Correction of the time/time differences may
not be performed correctly depending on the
network of overseas network operator. In that
case, set time zone manually.
Timing of correction varies by the overseas
network operator.
Setting Date & time (P.225)
u
[Network &
About inquiries
For loss or theft of the terminal or nano SIM
card, immediately contact DOCOMO from the
spot to take the necessary steps for
suspending the use. For inquiries, refer to the
last page. You can also suspend the use from
My docomo. Note that you are still liable for
the call and communication charge incurred
after the loss or theft occurred.
For using from land-line phone, entering
"International call access number" or
"Universal number international prefix" for the
place you stay is needed.
For ahamo plan users, inquire via the ahamo
website.
International roaming
238

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