These cards contain information (i.e., telephone numbers) that the user decides to store on the card instead of the phone memory, such as pictures, music, messages and contact lists. While they have maintained a relative thickness of just under 1mm, their surface area has steadily decreased, from the credit card-sized plates used in the earliest cellphones to the nano SIMs of today's devices. Perixx PERIPRO-402 Mobile Sim Card Case, Multiple SIM Cards Holder with Ejection Pin, Black.

SIM cards, or Subscriber Identity Modules, are small removable cards inserted into cellular phones by certain providers. Similarly, if your phone is unlocked, you can insert SIM cards from different carriers into it, which can be useful when traveling. Get it as soon as Sun, May 10. Safe SIM. SIM cards have evolved a lot over the years. 99.

I bought this after losing my SIM card while changing it on the plane. When you insert your SIM card into a different unlocked phone, you'll be able to use your service on it. Your SIM card allows your phone to connect to GSM networks. It the slimmest existing one and fits unlimited number of SIM cards, including a SIM card adaptor + SIM card remover IMG_6313.jpg 1280×960 115 KB IMG_6311.jpg 1280×960 299 KB Your SIM card is a pretty amazing piece of technology: it tells the phone what network it belongs on, tells the network who the phone belongs to, and even offers a little space to store some data -- all on a chip the size of your pinky nail. I comes with a small SIM removal tool which works well if you have lost the one (like I have) that came with your phone.

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Sale $24.00; Regular price $48.00; Quantity . 4.5 out of 5 stars 270. Amazon's Choice for sim card storage case. What is a SIM card?

A subscriber identity module or subscriber identification module (SIM), widely known as a SIM card, is an integrated circuit that is intended to securely store the international mobile subscriber identity (IMSI) number and its related key, which are used to identify and authenticate subscribers on mobile telephony devices (such as mobile phones and computers). I bought this product for a tip to Europe during which I was going to switch out my SIM card to a European card. Personal Computers $13.99 $ 13. The nano SIM is the SIM card's fourth size standard since its inception.