Redmi note 8 pro network problem July 8, 2019 16 32 64 128 Redmi note 8 pro network problem solution Redmi note 8 pro 4g network problem Redmi note 8 pro fix network problem after update Xiaomi redmi note 8 pro network problem Redmi note 8 network problem Redmi 8 network problem Redmi note 8 4g network problem