Goodmorning people today i upgrade my Xiaomi Mi2 to Miui V5 until now i was using V4 and i was very satisfy.. but now i have some questions 1. when i am going to write a msg or when am typing a name in contacts the buttons are not vibrate when am holding them, how can add this ?? (i mean i want when i am writing a msg each button i hold to vibrade like V4) 2. what are the exact size/demession of the wall papers in the phone ?? because i want to modify my current wallpaper !! thats for now !! thanks for now !!