Huawei E366 User Manual page 5

Note:
The microSD card is an opt ional accessory.
Ensure that the beveled edge of the SIM/USIM card is properly aligned with that of the
SIM/USIM card slot and the microSD card is inserted according to the direct ion as
labeled on the microSD card slot.
Do not remove the microSD or SIM/USIM card when the card is in use. Otherwise, the
card as well as your USB St ick may get damaged and the data stored on the card may
be corrupted.
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