Acer Z160 - Manual (Page 48)

48
Limitations when using two SIMs
Note: If you are using data on one SIM and you make or receive a call, or send
or receive a text message on the other SIM, the first SIM’s data connection will
be temporarily halted.
When SIM1 is: SIM2 cannot:
• In a call
• Ringing
• Sending or receiving a message • Dial out
• Receive a call (caller will get a
"number not available" message)
• Send or receive a message
• Using a data connection • Use a data connection