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How to back up /efs directory?

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Guest miker71

Based off that post and thread, there are issues where people are erasing their IMEI off the software. It is advised to backup the /efs directory, however, I do not know what software could do this. I can't even see it from the stock file manager to copy/paste.

I used the "copy" function of Root Explorer to copy the folder to my external SDcard. I don't think it preserves UNIX permissions but they can always be fixed once copied back. Though, I'm hoping I never need to.

You need to have root to be able to do this (by any method)

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