You would get the Invalid SIM message if you insert onto the phone a SIM from a different carrier. This means that the phone is locked, so you would need to unlock the phone first before you can use the phone on a different service provider.
yes
You have to get a new sim card or you put more money onto the card
If you are getting Invalid SIM or Incorrect SIM when you insert a SIM card from a GSM provider, then it would mean that the Blackberry phone is still locked to the original carrier. You would need to unlock it first.
Your telephone is most likely locked for a single simcard.
try doing a factory re set on your phone or take the sim card out for a few minutes then put it back in if that does not work then you may to take it a vodafone dealer and get them to have a look at it as you may need a new sim card
You call your carrier and activate your sim card.
The plural form of SIM card is SIM cards.
sim card
sim card
You destroy the invalid card and ask the bank to send you a replacement.
A SIM card adaptor will allow you to use a micro SIM in a standard SIM slot.
yes