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SIM cards do not have to be manufactured by the same company as the phone itself. There are many manufacturers of SIM cards out there.
Verizon Wireless does not use SIM cards unless it is a world phone. Only carriers that use GSM technology use SIM cards. Verizon Wireless uses CDMA technology. Since the phone uses different wave lengths and different technology, this can not be done.
that depends on which memory you use, whether the phone memory or the sim card memory
No A phone card usually refers to a kind of charge card, something you pay with. A SIM-card is what gives a cell phone its number, it's identity.
Yes, SIM cards do store phone passwords. A SIM card helps the phone service provider identify users by a pass code. When a SIM card is inserted into a phone it remembers text messages, calls, missed calls, and anything else the owner of the phone does.
It depends on your phone but sim cards are often used to boost performance on downloads I would get a sim card for ur phone
The sim card will only work in a different phone if the phone is ulocked, in not, no
SIM card lock or Network lock is a restriction put in by the service provider that would not allow the user to use a SIM card from a different carrier. In order for a owner to easily switch SIM cards from different GSM carriers, the phone must first be unlocked.
If your phone is unlocked - yes. It's simply a matter of swapping the existing SIM card for a new one.
There is no such thing as a CDMA SIM card, since CDMA phones do not use SIM cards.
SIM card lock or Network lock is a restriction put in by the service provider that would not allow the user to use a SIM card from a different carrier. In order for a owner to easily switch SIM cards from different GSM carriers, the phone must first be unlocked.
The LG MG800 phone does is not capable of holding 3 sim cards. There is only one sim slot on this phone.