When you have two
nano SIM cards inserted on your phone, only one card can connect to the faster 4G LTE network. The other card will connect to the 3G/2G network.
You can set which card you want to connect to the 4G LTE network.
-
From the
Home screen, swipe up and then tap
.
-
Tap
Cellular data.
-
Choose the card you want to connect to the 4G LTE network.