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MicroSIM Card: The Top 5 Things You Need To Know

19 February 2010 1,073 views 2 Comments

1. Also called the 3FF (third form factor), it is a smaller version of the SIM (15 mm x 12 mm vs 25 mm x 15 mm), that can allow for multiple simultaneous applications accessing the card and better authentication capabilities than the regular SIM.

2. Micro-SIMs have been used for a several years in embedded smart devices, such as power meters.

3. Apple’s decision to use Micro-SIM on the iPad provides a lock-in opportunity bcos currently only AT&T offers 3G on MicroSIM. (T-Mobile has announced plans to do so)

4. Retaining the same contact area allows the micro-SIM to be compatible with the previous, larger SIM readers though the use of plastic cutout surrounds.

5. Its designed for use in smaller phones, which makes Apple’s decision to use it on the (9.7 inch) iPad all the more puzzling.

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2 Comments »

  • Ted said:

    The reason the Ipad uses a Microsim is because the new Iphone that debuts in June also uses a microsim.

  • Reginald said:

    Guys, there is a way to use microSIM card in every mobile phone, and not only in the Iphone 4 or Ipad! I heard there is a thing called micro sim adapter. Basically, you put your microSIM card inside it and use it in any phone. I googlesearched it and found it here: http://www.gomicrosim.com They say it costs 4.5 EUR. They also seem to offer the sticker guide to cut the regular simcard into the microsim. IMHO their price and quality is the best so far.

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