Zte Blade A31 Lite User Manual page 14

NOTES:

The dual-SIM model is not available in every country. Consult
your supplier for more information.

If two nano-SIM cards are installed on the dual-SIM model,
both cards can connect to the 4G, 3G, or 2G network, and
either card can be used for mobile data.
3. Insert the battery, making sure the connectors align. Gently
push down on the battery until it clicks into place.
Single-SIM
model
14