Zte MF833U1 Quick Start Manual page 3

Installing the micro-SIM
Card and microSDHC Card
1. Press and push the front cover and remove it.
NOTE:
Do not open the front cover rudely. Failing to do
so may cause damage to the front cover.
2. Install a micro-SIM card to the micro-SIM card
slot.
WARNING!
Your modem does not support SIM cards and
nano-SIM cards. To avoid damage to the modem,
do not use those cards or any card holders.
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