Thread: How to format n900?
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schaggo is offline schaggo
2010-06-20 , 17:15
Posts: 129 | Thanked: 18 times | Joined on Nov 2009 @ Switzerland
#20
It's rather simple. I don't quite know if you can go all the way "out of the box" but I think so. Reflashing both images without a subsequent reboot should pretty much equal exactly the state the device was in when it left the factory.

Flashing the OS wipes and reinstates the factory state of all core system functionality related data. All main system files plus the integrated stuff like browser executables, e-mail client and so on.
Flashing the eMMC wipes clean or better replaces that part of the memory where user generated content is stored with Nokias idea of content needed on a device leaving the factory (eg. demo music files, demo video clips, demo wallpaper images, demo [fill gap]). What else is there on the device other than the OS partition(s) and the user data?

Edit: I just checked the wiki. Seems quite clear to me what gets erased with which image. See yourself:
Flashing a new rootfs image on your device will reset the device back to factory defaults and remove all data except those on the (internal and uSD) memory card: preferences, bookmarks, installed applications, with a single exception that any previously-set lock code will be kept and not reset to the factory-default of "12345". So basically flashing a rootfs fiasco image will keep your /home/user and MyDocs data (first boot will wipe /home/opt though). Flashing a EMMC fiasco image will wipe your complete eMMC internal memory card, thus resetting /home and MyDocs to whatever is in the image.
https://wiki.maemo.org/Updating_the_..._does_it_do.3F
Last edited by schaggo; 2010-06-20 at 17:24.