The Xiaomi 12 is a 2021 Android 12, MIUI 13 smartphone powered by the Qualcomm SM8450 Snapdragon 8 Gen 1 (4 nm) with 12GB | 8GB and 128GB | 256GB internal storage. It features a 6.3", AMOLED, 68B colors, 120Hz, Dolby Vision, HDR10+, 1100 nits (peak), 1080.0x2400.0 display and is available in Gray, Blue, Purple, Green.

The 12 is equipped with a Li-Po 4500 mAh, a 50 MP, 8K@24fps (HDR), 4K@30/60fps (HDR10+), 1080p@30/120/240/960fps, 720p@1920fps, gyro-EIS main camera, a 32 MP, 1080p@30/60fps, 720p@120fps, HDR front camera. The device uses a Nano-SIM + Nano-SIM configuration. It weighs 179 g.

A bootloop on the Xiaomi 12 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.