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2. Pull out the card tray. You can place a nano-SIM card on the
right card slot, and place a nano-SIM card or a microSDXC
card (optional) on the left card slot, as shown. Carefully slide
the tray back into place.
NOTE:
The two card slots support 5G/4G/3G/2G networks.
Charging the Phone
Your phone’s battery should have enough power for the phone to
turn on, find a signal, and make a few calls. You should fully
charge the battery as soon as possible.
WARNING!
Use only ZTE-approved chargers and USB Type-C cables. The
use of unapproved accessories could damage your phone or
cause the battery to explode.