The Xiaomi 15T is a 2025 Android 15, upgradable to Android 16, HyperOS 3 smartphone powered by the Mediatek Dimensity 8400 Ultra (4 nm) with 12GB and 256GB | 512GB internal storage. It features a 6.8", AMOLED, 68B colors, 120Hz, 3840Hz PWM, Dolby Vision, HDR10+, 3200 nits (peak), 1280.0x2772.0 display and is available in Black, Gray, Rose Gold.

The 15T is equipped with a 5500 mAh, a 50 MP, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS, 10-bit Rec. 2020, HDR10+ main camera, a 32 MP, 4K@30fps, 1080p@30/60fps, HDR10+ front camera. The device uses a · Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time) · Nano-SIM + Nano-SIM configuration. It weighs 194 g.

A bootloop on the Xiaomi 15T occurs when the device repeatedly restarts without fully loading Android. This is commonly caused by a failed software update, corrupted system files, or an incompatible app. Most bootloops can be resolved without losing data by clearing the cache partition first before attempting a factory reset.

Factory reset may be needed as a last resort — erases all data.