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posted by Fnord666 on Thursday February 22 2018, @12:25PM   Printer-friendly
from the too-many-iAcronyms dept.

ARM wants mobile or IoT devices to include a tiny integrated SIM card:

Every millimeter of space matters when you're trying to build increasingly complex electronics into increasingly tiny packages, and the relatively spacious SIM card has long been an area of frustration for hardware manufacturers. Now, the chip design company ARM may have an answer: an integrated component called an iSIM that's built into the same chip as the processor.

ARM says the iSIM will take up a "fraction of a millimeter squared," whereas the current SIM standard — Nano SIMs — are about 12.3 x 8.8mm in size, not including the hardware usually needed to house them. Not only will that save space, but ARM says it'll more importantly save on costs, too: instead of paying "tens of cents" per card, manufacturers will be paying single-digital cents.

Also at CNET, Tom's Hardware, and Wccftech.

Related: Infineon Demos a 1.65 mm^2 eSIM Chip


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  • (Score: 2) by AndyTheAbsurd on Thursday February 22 2018, @04:48PM (4 children)

    by AndyTheAbsurd (3958) on Thursday February 22 2018, @04:48PM (#641859) Journal

    You missed the point pretty badly there. The case that The Mighty Buzzard is talking about is not failure of the SIM, but failure of something in the rest of the device. Having a hard-wired SIM means that the account that the device reports to changes every time the device is changed. With the existing, removable SIM system, you can slap a new device in place transferring the existing SIM (and OS/data log/whatever else on an SD card) and not have to worry about "oh, client X used have device 728 and now they've got device 989 so let's update their account"...and the associated potential errors that go with it, like the service guy having sloppy handwriting, so what he originally wrote as "989" he reads as "967" when he gets around to doing the updates two days later.

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  • (Score: 2) by TheRaven on Thursday February 22 2018, @04:52PM (3 children)

    by TheRaven (270) on Thursday February 22 2018, @04:52PM (#641861) Journal
    I don't think you understand what an eSIM is. It is non-removable, but it is programmable. If you want to move an account from one device to another then it's a simple software copy. You don't need to remove anything, you just install the same blob on the new device that you installed on the old one. That said, if you're designing devices with this kind of thing where the SIM ID is an identifier that you care about. You should be providing some other identifier for the devices that's meaningful for your use.
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    • (Score: 0) by Anonymous Coward on Thursday February 22 2018, @05:25PM

      by Anonymous Coward on Thursday February 22 2018, @05:25PM (#641878)

      "Simple", the magic word here. From previous experience in life it will be insanely difficult for the first few years atleast, then it'll be a bit better, but the old HW is dropped of support and you can't do it anymore. Then there'll be another software version and it'll drop more support and copying stuff between different vendors will be shit from day 1 to day infinity.

    • (Score: 0) by Anonymous Coward on Thursday February 22 2018, @08:34PM (1 child)

      by Anonymous Coward on Thursday February 22 2018, @08:34PM (#641956)

      You are assuming a programmable SIM is a good thing.
      No sir. Noone in my family would want to spend the day over the phone with customer support to activate a new phone with the same nr because they accidentally broke what they had. Pulling out of the drawer that old Nokia 3310 and inserting the simcard of the damaged phone will do perfectly.

      I could agree to this tech uses in the industry or many other fields. But please keep it out of my phone.

      • (Score: 2) by TheRaven on Monday February 26 2018, @09:14AM

        by TheRaven (270) on Monday February 26 2018, @09:14AM (#643840) Journal
        Why would you have to spend any time talking to customer support? Log into your account, click 'use account with current device' in the app, done.

        Much easier than trying to cut a SIM down to the newer smaller size that this generation of phones uses, or waiting for a replacement if you lose it.

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