How to Use a Phone SIM Card in a Laptop With a Connect AirCard


A SIM (Subscriber Information Module) is a standard communication card found in most cellular devices. It resembles a small integrated circuit board and is the size of a fingernail. The SIM allows a user to transfer their account on a cellular network to many different cellular devices. SIM cards may be used not only in phones, but also in AirCards. (An AirCard is a cellular modem that can be connected to PC, enabling the PC to have network connectivity via the cellular network.)

Things You'll Need

  • SIM
  • UMTS-based AirCard
  • Data plan for SIM

Remove SIM

  • Remove the back covering plate from the phone to reveal the battery. Each phone is different, but the back plate can be removed without tools, usually by sliding the plate down or squeezing small release buttons on the sides to release the plate. It is usually obvious how to do this, but if you do run into trouble, check online for a tutorial for your specific phone. As a last resort, visit a local phone shop for help.

  • Remove the battery from the phone. These usually pop right out as with any appliance, and requires no tools. Use your fingers to pop it out.

  • Remove the SIM from the phone. The SIM is located in a small slot usually covered by the battery. In some cases the SIM slot is spring-loaded. In other cases, remove the SIM by sliding it out of the slot. Since this is a small area, you may need to use tweezers, but take care not to bend the SIM or the small metal binders on the slot.

Insert SIM into AirCard

  • Locate the SIM slot on the AirCard, and insert the SIM. The slot will be a tiny enclosure on the AirCard that is just the size of the SIM. Each AirCard model is different, but the slot is usually obvious to see. If you do have trouble finding it, you can go online and locate documentation for your specific AirCard. Note the SIM will have a cut-away tab that will be aligned to the slot, to ensure that the SIM is inserted in the correct orientation. The AirCard device will have a small printed diagram near the slot to indicate the correct orientation.

  • Insert the AirCard into the laptop and follow your usual process to connect to the Internet. Most AirCards use a standard USB interface, so to insert it into your laptop, use the USB port on your computer.

  • Test the AirCard connectivity by going to your favorite website.

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  • Photo Credit sim card image by Renato Francia from
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