[Q] Samsung Galaxy S2 efs folder corruption problem

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http://forum.xda-developers.com – Hello, I recently bought Samsung Galaxy S2 i9100 factory unlocked with installed Jelly Bean 4.1.1 (CyanogenMod 10) and no imei and baseband. I tried everything to fix the issue, but nothing worked. I searched this forum and some user said that I should use jtag to wtie correct efs folder and z3x or sl-box to repair imei etc. Is there any other way to repair corrupted efs and imei, because I don't have those tools and I don't have any money to spend on local mobile service. Any help is appreciated. :) (HowTos)