This additional ability will keep you connected in some remote regions that do not have digital cellular capability yet.
Studies indicate that cell phones emit minute amounts of radiation.
This normally would be largely irrelevant, except that this radiation is in such close proximity to your head. It hasn't been proven that using a cell phone can cause cancer, however there is enough evidence to be aware of the possibility that the radiation could be harmful if you are exposed to it for long periods. It contains your saved phone numbers, your phone number, and your PIN number, which you must enter in order to use the phone. The card is transferable, so that you may switch phones, and simply switch the SIM card into the new phone, and have your phone number and other settings stay the same. If you have a WAP-enabled phone, then you are able to access the wireless Internet .