Good design and build quality, imoressive battery life, exceptional performance , good and bright display.The redmi note 4 is a 5.5 inch full hd display 1080×1920 resolution.it boasts 2.5 D curved glass up front taht feels good to use.The Xiaomi Redmi Note 4 packs in a 4100mAh non removable battery. I was able to squeeze in two days of battery life. The battery life on Redmi note 4 is impressive. The Redmi note 4 features a hybrid sim trays , so you can either use two SIMS or one Nano sim and one micro SD card. The fingerprint scanner on the redmi note 4 is mounted on the rear below the camera unit.