You can remove the virtual keys to use the cell with the only home to see if the part of the screen where the buttons are working?
Sorry for my bad english,i use google translate
Download the app "phone tester". It has a function called " multi-touch test". You can just move your finger over the whole screen to check for any blank spots.
Does the phone come completely stock? Because sometimes s2w and d2w cause problems like this.
Sent from my Nexus 4 using XDA Free mobile app
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