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This question already has an answer here:

I have downloaded a .img file to use on my Android device.

I have to edit a file in the image in order to use it.

How can I mount the file so I can edit the text file and then re-pack the .img?

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marked as duplicate by LiveWireBT, Charles Green, Afshin Hamedi, Jorge Castro, Seth Nov 15 '14 at 19:48

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

up vote 2 down vote accepted

Did you try the standard o loop mount?

mount -o loop file.img /mnt/img

then edit and unmount normally

umount /mnt/img/

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I have now, and I get 'mount: you must specify the filesystem type ' in return. – Rasmus Dec 7 '11 at 15:38
@Rasmus: it is a partition or disk image? In the second case you need to use an appropriate offset in -o loop,offset=NUMBER. – enzotib Dec 13 '11 at 8:14
@Rasmus Since your question seems to be about Android images, it may be a bit more difficult, you you would probably need to unpack and repack the whole image again. – LiveWireBT Nov 15 '14 at 0:40

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