Learn and solve
- Can I use my Nokia device with one SIM card although there are slots for two?
- When SIM1 is in use, for example, making a call, and a caller calls SIM2, is he or she going to hear a busy tone?
- Why the signal bar of one SIM card on the screen always disappears when I make a call with the other SIM card?
- Can I keep one of the SIM cards active and deactivate the other?
- Can I set a SIM card as the default SIM card for making calls or sending messages?(Series 40 Dual SIMs Phones)