Phone can't use SIM 2 for data connection

BlitzerBlitzer Level 1
edited September 2020 in ZenFone Max Pro Series
ZF Model: ZB631KL
Firmware/APP Version: 9.0 latest
Frequency of Occurrence: Always
Rooted: No
APP Name:

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.


  • 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 :)
  • 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?
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