Miui, Sim card tray, About dual sim – Xiaomi Redmi Note 9 User Manual
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Thank you for choosing Redmi Note 9
Long press the power button to turn on the device.
Follow the on-screen instructions to configure the device.
For more information, visit our official website:
www.mi.com/global/service/userguide
MIUI
Redmi Note 9 comes pre-installed with MIUI, our customized Android-based
OS which provides frequent updates and user-friendly features based
on suggestions from over 200 million active users worldwide. For more
information, please visit en.miui.com
SIM Card Tray:
Micro SD
Nano-SIM
Nano-SIM
About Dual SIM:
• Dual 4G SIM is offered by select telecom operators and may not be
available in all regions.
• Supports dual nano-SIM cards. When using both SIM card slots, either card
can be set as the primary card.
• VoLTE is only supported by telecom operators in certain regions.
• System may be automatically updated for optimal network performance.
For details, please refer to the system version in use on the device.
• Please do not insert non-standard SIM cards into the SIM card slot. They
may damage the SIM card slot.
• WARNING:
Do not disassemble this device.