Are SIM cards phone specific?
SIM cards make it easy for you to have multiple phone numbers so you can switch between them whenever you like.
These phones have to be either provided by your cell phone provider or they have to be unlocked phones.
In contrast, only SIM cards from a specific cell phone company will work in its locked phones..
What happens if you take out your SIM card and put it in another phone?
You can take the SIM card out, put it into another phone, and if someone calls your number, the new phone will ring. … If the SIM card and phone serial number don’t match, the phone simply won’t work. The SIM card won’t work in other phones, and the phone won’t work with other SIM cards.
Does a SIM card know what phone it is in?
Short answer is Yes, they can. Here is how: Network provider also accesses your phone’s International Mobile Equipment Identity (IMEI), which is a number that’s unique to every GSM handset (CDMA devices use something similar called an Electronic Serial number, or ESN).
Can a phone work without a SIM card?
The short answer, yes. Your Android smartphone will totally work without a SIM card. In fact, you can do almost everything you can do with it right now, without paying a carrier anything or using a SIM card. All you need is Wi-Fi (internet access), a few different apps, and a device to use.
Is iPhone Sim same as Android?
If your Android device uses the nano-SIM, the latest form of SIM card, then it will work in the iPhone 5 and later models. … You will also need to make sure that the iPhone is either unlocked or on the same mobile network as your Android device.