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How to Fix Bootloop — Sony Xperia Z3 Dual
How to Fix Bootloop — Sony Xperia Z3 Dual
The Sony Xperia Z3 Dual is a 2014 Android 4.4.4 smartphone powered by the Qualcomm MSM8974AC Snapdragon 801 (28 nm) with 3GB and 16GB | 32GB internal storage. It features a 5.2", IPS LCD, 1080.0x1920.0 display and is available in Black, White, Copper, Silver Green.
The Xperia Z3 Dual is equipped with a Li-Ion 3100 mAh, non-removable, a 7 MP, 4K@30fps, 1080p@60fps, 720p@120fps, HDR main camera, a 2 MP, 1080p@30fps front camera. The device uses a Nano-SIM + Nano-SIM configuration. It weighs 152 g.
A bootloop on the Sony Xperia Z3 Dual 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.
On your Sony Xperia Z3 Dual: force restart: hold Power for 15–30 seconds
If still looping: enter Recovery Mode
Navigate to 'Wipe cache partition' → confirm → reboot
If still looping: return to Recovery
Select 'Wipe data/factory reset' → confirm (erases all data)
Last resort: use your manufacturer's PC tool to reinstall firmware
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