The Honor 400 (China) is a 2025 Android 15, MagicOS 9 smartphone powered by the Qualcomm SM7750-AB Snapdragon 7 Gen 4 (4 nm) with 12GB | 16GB and 256GB | 512GB internal storage. It features a 6.5", AMOLED, 1B colors, 120Hz, HDR, 5000 nits (peak), 1264.0x2736.0 display and is available in Black, Silver, Blue, Pink.

The 400 (China) is equipped with a Si/C Li-Ion 7200 mAh, a 200 MP, 4K, 1080p, gyro-EIS, OIS main camera, a 50 MP, 4K, 1080p, gyro-EIS front camera. The device uses a Nano-SIM + Nano-SIM configuration. It weighs 196 g.

A bootloop on the Honor 400 (China) 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.