[Q] CM9 - home key+lockscreen not working

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http://forum.xda-developers.com – Hi everybody! I started this thread because the rare existing ones didn't help me! I tried to install CM9 with recovery method, starting from a stock 4.0.3 ICS firmware (LPF) with siyah kernel 3.3.3d. I've made the 3 wipes (factory,cache and Dalvik) installed CM9's zip ( i tried with nightlies of 17th and 18th..and today also the RC2) installed gapps' zip factory reset again reboot in ALL the 3 time i tried, my home button worked only to wake up phone, and no lockscreen is present. searching the web, I found that probably the problem is the /efs/imei/keystr file...soI tried to recr (HowTos)