Default z1 call log not working after using VROOT

HI .. i just rooted my Z1 , c6902 ..android 4.2.2 , build no.: 14.1.G.1.518 ..rooted it using VROOT ... vroot lets you grant permission to each app installed on your phone separately ..for eg. i can deny the facebook app permission to view my contacts using vroot ... but when i try to do that my call log stops working i.e. it doesnt log down any more calls ... worst part is the settings menu is in chinese .. anyone else facing the same problem???

or if anyone else knows how to root the z1 using another software .. why i did it via vroot is that it lets me grant permission to each app separately , thus protecting my privacy ..

thank you ..
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