If you've locked your SIM card (by entering your code wrongly) - you need to contact your network provider on another phone - and ask them for your phone unlock key (PUK).
Because of misuse of the Sim card will be block by the service provider.
To block the SIM card, a person must call the company's customer service line. They will ask identifying questions, and then they will block the SIM card.
It means that the Sim card is blocked by the network provider and it cannot be used
It's not possible. You can only block your own sim card by contacting Vodafone and reporting it lost or stolen.
the iphone has a sim card which slots in the top of the iphone. to get the sim card tray out you have to use a pin or the special tool it came with to open it.
You can block the sim of any person directly. You must tel the reason to the company of that mobile phone sim cards as why you want to block someone's sim card. Otherwise it is not possible.
You can block a Blackberry without a sim card,using the serial number.
yes
To change the sim card on your iPhone simply open it at the back remove the battery and replace your sim card.
how do you open the back of a vodafone 340
The sim card can be found on the side, with a small hole next to it. You need the ejection tool or similar like a hair grip, staple to open the ejection tray to access the sim card.
There is a small "like drawer in the upper back of the mobile under the battery. open it and insert sim card