What software did you use to root your Lenovo S939.
Use vroot 1.7.5...latest one..but only version S125 and S126 can be root...if u upgrade to S129 or 4.4 kit kat...u can't root with vroot or any root app..i already try it..but kit kat for lenovo s939 is the best..wait until vroot update version...
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