Huawei P8 GRA-L09 Quick Start Manual page 6

Getting started
Follow the instructions in the following figures to set up your phone. Before
you insert or remove the SIM card, power off your phone.
When using the SIM ejector pin, exercise caution to avoid injuring yourself
or damaging your phone. Keep the pin away from children to prevent
them from accidentally swallowing it or injuring themselves.
Insert your SIM card in the correct card slot; otherwise, your phone may
Caution
.
not detect the card
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