The Sony Xperia XZ3 is a 2018 Android 9.0 smartphone powered by the Qualcomm SDM845 Snapdragon 845 (10 nm) with 4GB | 6GB and 64GB internal storage. It features a 6.0", P-OLED, HDR BT.2020, 1440.0x2880.0 display and is available in Black, Silver White, Forest Green, Bordeaux Red.

The Xperia XZ3 is equipped with a Li-Ion 3300 mAh, non-removable, a 19 MP, 4K@30fps, 1080p@60fps, 1080p@30fps (5-axis gyro-EIS), 1080p@960fps, HDR main camera, a 13 MP, 1080p@30fps (5-axis gyro-EIS) front camera. The device uses a · Nano-SIM · Nano-SIM + Nano-SIM configuration. It weighs 193 g.

A bootloop on the Sony Xperia XZ3 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.