Xiaomi redmi note-9 display size July 8, 2019 16 32 64 128 Xiaomi redmi note.9 display size Xiaomi redmi note 9 pro display size Mi note 9 display Xiaomi redmi note 9 pro disassembly Xiaomi redmi note 9 pro hz display Xiaomi note 9 a Redmi note 9 smallest width