User's Manual

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Figure 7-16 Mobile data roaming
2. Network type priority: After a network type priority is selected (2G
network priority, 3G network priority and 4G network priority), the
corresponding network signal will be displayed in the status bar on the
top screen. For example, if you select the 2G network priority with the
Unicom card inserted, the mobile network of the device will be forced to
downgrade to 2G network even within the 3G signal coverage area. The
CRUISE is a Dual SIM Dual Standby smartphone and you can enter the
SIM card priority setting interface to switch two SIMs. The Telecom card
does not support 2G network (The auxiliary card can’t be the Telecom
card).