I cannot unlock my screen. If you forget your screen lock PIN, password or pattern, you can reset your device using either the Find my device app from Google or the Xperia Companion computer application. Read about the requirements and results of each option below, and choose the method that suits you best. Reset your device with Find my device.
After a reboot, my new xperia always starts with this screen: I have the same problem in 'Safe Mode'. What can I do? I want to fix this problem without a factory reset. Edit: I found more people with same problem on Sony's forum.
Rebooting Sony Xperia M4 Aqua (E2303) via Buttons. Android provides the possibility of performing an emergency forced reboot, which runs the same way on almost all existing smartphones. The option can be activated using the following hotkey combination: Hold down the power (unlock) and volume up buttons.
After the factory reset operation you will be able to use the default configuration of Android 5.0 Lollipop system and SONY Xperia M4 Aqua Dual E2333 will work faster. Let's use the full power of Qualcomm Snapdragon 615 MSM8939 core by resting the SONY Xperia M4 Aqua Dual E2333 and enjoy using the best performance of Li-Ion 2400.0 mAh battery.
Switch off the handset. Now navigate to Settings -> Backup & reset -> Factory Data Reset -> Reset Phone. Then choose option option "Erase everything", and confirm that. Success! Rating: 1.6 - 5 reviews. If you found this helpful, click on the Google Star, Like it on Facebook or follow us on Twitter and Instagram. Share.
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sony xperia m4 aqua factory reset