Samsung Galaxy Note 8 - Page 27

Basics
27
Correct card installation
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Single SIM models:
microSD card
Nano-SIM card
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Dual SIM models:
Nano-SIM card 1
Nano-SIM card 2
Nano-SIM card
microSD card
•
Use only a nano-SIM card.
•
You cannot insert a nano-SIM card and a microSD card in tray 2 at the same time.