I am using xperia zr i found problem in bluetooth i used to update my phone to 4.3 after that i faced the problem ..while i conversed with sony help center they told to repair the phone using pc companion ..so i tried to reair during the time of repairing it follows 5 steps in that install stage we need to follow some steps whisch is showing on the screen while i holding the down volume button and plugged the cable its not installing the software it just idle pls help for this
