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Phone can't use SIM 2 for data connection

Blitzer
Star I
ZF Model: ZB631KL
RAM: 6G
Firmware/APP Version: 9.0 latest
Frequency of Occurrence: Always
Rooted: No
APP Name:
Screenshot: https://us.v-cdn.net/6031231/uploads/ww_attachments/202001/27/200622k1plb8pi6kig9zl6.png

It seems that I can't use my SIM 2 for data connection. Is this some bug or can I do something about it? Same thing happens whenever I switch SIM 1 and SIM 2 in the tray. Any SIM in SIM 2 slot cannot be used for data connection.
2 REPLIES 2

ServiceH_ASUS
Star III
Hi sanay820 Good day What's your phone’s firmware version (Settings > About phone> Build number) Please check th setting (Setting> Network&internet>SIM cards > Cellular data) Please help to confirm,thank you 🙂

Blitzer
Star I
Selena_ASUS posted on 2020/1/31 10:41 Hi sanay820 Good day
Here is the build# So I just have to switch preferred sim through that setting?