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.
it has to be unblocked to open the phone to all networks or find out what network the phone was origonaly made for and get one of them sim cards.
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.
You have to get a new sim card or you put more money onto the card
buy a new Sim card or consult a local mobile phone store
a phone with these two facility can work in GSM with sim card and can work without sim card in cdma mode
sims card error means your sim card is put in your phone wrong.
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
A cellular phone, no matter what the provider, requires a SIM cart to be operational. Your provider may be able to give you a new SIM Card for the phone, if it is unlocked to work with that network.
Sims are a card that holds the phones number and basic information. A sim free one just does not have this option so a store has to switch numbers from phone to phone.
A SIM free phone is one that does not have a SIM card included with the phone. This type of phone may not be able to be used with all networks. Some networks require a SIM card.
that means you have saved a number onto your phone not your sim.