Zte MO-01J Quick Start Manual page 9

CAUTION:
To avoid damage to the phone, please do not use other kinds of nano-UIM /
nano-SIM cards, and do not use a non-standard nano-UIM / nano-SIM /
card cut from a (U)SIM card. You can get the standard nano-UIM /
nano-SIM card from your service provider.
NOTE
Slot2 only supports microSDHC card.
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