Set which SIM card to use
You can set which SIM card to use for outgoing calls or messages. If you name your SIM cards, you can see at a glance which is, for example, for work and which is for personal use.
Select Menu > SIM manager .
Select SIM1 or SIM2. The preferred SIM card is used by default for all outgoing communication, for example, calls and messages.
To be prompted to select a SIM card before, for example, making a call or sending a text message, select Ask every time.
Select Options > Rename .
To quickly change the SIM card to use, on the home screen, press and hold *.