https://qooah.com/2012/03/19/%e6%95%99%e4%bd%a0-galaxy-s-ii-android-4-0-lpe-%e5%8f%96%e5%be%97-root-%e6%ac%8a%e9%99%90/
教你 Galaxy S II (i9100) Android 4.0 LPE/LPF/LPG 取得 Root 權限