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So, I've discovered that there's a 2.57GB .dmg file in the /Users/username/firmware folder on my Mac (High Sierra v. 10.13.6). The filename is <058-97232-130.dmg>. There are a couple of other dmg files there too, closer to 80MB in size.

I was thinking that it's some kind of firmware update for my phone, except it's a .dmg file, not an ipsw. I've googled the filename and the folder location, and found nothing at all. Any ideas?

EDIT: Oh, one more weird thing: the file's creation/last modified date is "January/9/07" (which is the same date for the other .dmg files in the folder). But I got my computer in 2013, so I'm not sure what that tells us.

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  • It's not an Apple firmware update - across all OS's, Apple saves firmware updates to /Applications/Utilities/. In fact, that folder doesn't even exist by default - it's some third party firmware update package.
    – njboot
    Commented Sep 3, 2018 at 2:00
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    Firstly, welcome to Ask Different! :) I hope you come to find this site a useful resource! It may be worth investigating the hardware you have as it's most likely related to firmware updates for some 3rd party hardware (e.g. a router, printer, etc). Keep in mind that it doesn't necessarily have to be hardware that's connected to your Mac - it could be that you've just used your Mac to download the file(s) that you've subsequently used to update the firmware (e.g. a PVR, car audio/navigation, etc).
    – Monomeeth ♦
    Commented Sep 3, 2018 at 2:17
  • Hmm, okay. I should have mentioned, but I see other files/folders that suggest it's something to do with iPhone, like "kernelcache.release.iphone7." I now suspect that it's linked to the software iMyFone iOS System Recovery, which—because of where I live—was what I ended up resorting to using when my iPhone got screwed up during an iOS update. I'll check with the software creator about whether I can delete the file (i.e. whether it'll automatically download once more if/when I need it again). Thanks!
    – Gord Sellar
    Commented Sep 3, 2018 at 2:22
  • Turn that into a answer so we can close this question and you might get some points.
    – Ruskes
    Commented Sep 3, 2018 at 3:01
  • Planning on doing it, once I get confirmation that this is actually the case from the software's creator. If I don't hear back, I'll turn my above into an Answer (with caveats). Thanks for the advice and also the warm welcome, folks!
    – Gord Sellar
    Commented Sep 4, 2018 at 8:12

1 Answer 1

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This folder ~/Firmware Files is from the software iMyFone Fixppo e.g. for rescuing iPhone backups or iPhone permanently booting.

The DMG files are firmware images from iOS devices.

You probably are done with rescuing so it is safe to remove the folder.

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