User manual

19
Communication and
Network
SIM Card Settings
If your OPPO smartphone supports Dual SIM, the card tray one is
for Nano-SIM. The card tray two supports both Nano-SIM and
MicroSD Card.
In Dual SIM mode, you can set a default SIM card for dialing, or
manually select one when dialing. You can also set a SIM card for
cellular networks.