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Answer to "How to enter recovery mode"Steps to boot into Sony Xperia Z3 Recovery Mode: 1. First power off the Sony Xperia Z3 by pressing and holding the power button or by pressing the power button and selecting "power off." 2. Power on the Z3 and when the LED notification lights are on press the volume up or volume down buttons multiple times. 3. At last you have rebooted into recovery mode.