Model name: xiaomi redmi 15 (4g / 5g) model number / code: 25062rn2dy operating system & version: android 16 (updated to latest xiaomi hyperos 3.0.303.0) display specifications screen size: 6.9 inches (ultra-large display) resolution: fhd+ (1080 x 2340 pixels) refresh rate: 144hz adaptive sync performance & storage chipset: qualcomm snapdragon 685 (6 nm) octa-core ram & storage: 8gb ram + 256gb internal storage (expandable up to 16gb total ram via virtual ram feature) battery & charging battery capacity: 7000 mah (advanced silicon-carbon / si-c technology) port type: usb type-c 2.0 charging speed: 33w fast charging & 18w reverse charging support charging time (approximate) with 33w fast charging support, it takes about 40 – 60 minutes to charge from 0% to 80%. day-to-day battery life massive 7000 mah battery, you get except ...