I was rooted my phone last year, and after upgraded my phone, i noticed that my phone unrooted due to the upgrade. So I tried to re rooting my phone with variety of rooting tools such as petes or oneclickroot and so on. However it didnt work and it keep says that ADB file is missing to copy 'busy box' and 'super user'. I rly want to rooting my phone....... Any one can help me? Also, I reinstalled ADB file on my computer but still didn't work.