Some mobile phones use SIM cards, other don't. The phones with SIM card slot allow the user to change the SIM; this way you can change the telephone number, or you can log to different networks (providers). SIM cards have not any alternative solutions.
No, you cannot "unfry" a SIM card that has been damaged by overheating or physical damage. Once the internal components of a SIM card are compromised, they cannot be repaired or restored to their original state. The best solution is to replace the damaged SIM card with a new one from your mobile carrier.
You call your carrier and activate your sim card.
The plural form of SIM card is SIM cards.
sim card
sim card
A SIM card adaptor will allow you to use a micro SIM in a standard SIM slot.
Yes, SIM card 1 can use the Wi-Fi hotspot of SIM card 2 if the device with SIM card 2 is set up to share its mobile data connection via a hotspot. To do this, you need to enable the hotspot feature on the device with SIM card 2 and connect the device with SIM card 1 to that Wi-Fi network. The data from SIM card 2 will be used by the device with SIM card 1 when connected.
When you get a sim card, it has it's own unique telephone number on it. When you insert the sim card you have that number. You can however get a code and keep your existing number and use it with a new sim card.
a prepaid Sim card is a Sim card that you pay as you go AT&t tracfone and t-mobile
NO
it does not have a sim card.
A sim card is Non of them