iTunes error code 0 * E8000012 Cause analysis

  

Today to help a colleague get an iphone4s is found not connected to PP assistant, Itools, 360 mobile assistant, etc., all prompted to have a password (in fact not), set all passwords on the phone Turning it off will not work. After referring to the online, delete the /var/root/Library/Lockdown folder and restart it.

After the study of the Lockdown folder, the mobile phone activation data, certificates and other files, resulting in 0*E8000012 is caused by the jailbreak of the version before the green poison 2.0.4, the official upgrade log also shows Added Lockdown error -5 workaround .

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