Zte Blade C2 User Manual page 8

2. Insert your main SIM into the right hand slot (SIM 1). Hold the
SIM card with the cut corner as shown and push it fully into the
SIM slot.
2G service
only
NOTE: Both SIM slots support multiple SIM types but the SIM card
in the left hand slot will only give you access to 2G (GSM) services.
8
3G / 2G
Services