Acer Liquid Z330 - Limitations when using multiple SIMs

62 - Managing your SIM cards
Identifying calls
Whenever you receive a call, the caller’s number will be shown. You
will also be shown the name of the SIM receiving the call.
In the call log, the name of the SIM will be shown beneath the number
of the call -- whether the call was missed, answered or was an
outgoing call.
Limitations when using multiple SIMs
When a SIM is: Other SIMs cannot:
In a call Dial out
Ringing
Receive a call (caller will get a
"nu
mber not available" message)
Sending or receiving a message Send or receive a message
Using a data connection Use a data connection
Note
If you are using data on one SIM and you make or receive a call, or send or
receive a text message on another SIM, the first SIM’s data connection will
be temporarily halted.