Assigning A Default Micro Sim Card - Asus ZenFone 5 E-Manual

Assigning a default micro SIM card

Assign a micro SIM card as your preferred SIM for voice calls and data services.
SIM card for voice calls
When you make a call, your ZenFone automatically uses the preferred micro SIM card to connect the call.
To assign a micro SIM card for voice calls, tap Voice call then tap the SIM that you want to use.
IMPORTANT! You can only use this feature if you make a call from your contacts list.
SIM card for data service
To assign a micro SIM card for data service, tap Data service network then select from SIM1 or SIM2.
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