I'm not sure whether I'm doing something wrong or it's something normal.

I had CM9 on my Galaxy s3 and decided to try another rom (Paranoid). I didn't like the new one I installed and downloaded another (Carbon). But I am noticing that my internal storage is close to being full now. But when I browse the phone from my PC, I'm not seeing anything out of the ordinary.

I copied Carbon zip onto the phone, but clockwork mod is not even seeing it, I am noticing a lot of files from the sd and I'm still seeing the Paranoid zip from clockwork mod, but I cannot see it from my PC.

Did I skip a step somewhere? What should I do?

1 Answer 1


What happens to existing files when flashing a new ROM very much depends of the location in question:

  • your SDCard (internal or external) is not touched at all, apart from the fact you're placing the update.zip for flashing there.
  • your internal storage (/data and /cache) is neither touched by the flashing process itself. But when switching between different ROMs, it's recommended to wipe these two to avoid complications
  • some other locations are usually wiped and rewritten. This includes for sure /system, and in most cases also /boot

I know of no case where files are "hidden". Either the entire partition is not touched at all, or it is wiped. It might be that on some partitions files are simply overwritten, though I've never heard of such a case either.

  • hi Izzy, I think we talked a while ago, I digged deeper and released I needed to format my sd card, all the other roms where still there, but not showing when browsing through the pc. Jul 14, 2013 at 22:47
  • I remember something like that. But where is "there"? External SD? Then you could simply put it into a card reader to check. But if I remember correctly, your issue was that it was not on "removable memory". Which leaves adb shell to look inside. I use a combo of adb rootless and adbd Insecure for such things, but that requires a Linux PC :)
    – Izzy
    Jul 14, 2013 at 23:30
  • There meaning the internal sd, I still didn't see the files, but when I carried out with the format, i freed up about 10gb or so. Jul 15, 2013 at 7:27
  • Well, that's another possibility -- but only works if you don't need to retain any of the data there, as it would "blank" the entire "drive".
    – Izzy
    Jul 15, 2013 at 9:29

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