Created using. How to hard reset Sony Xperia M4 Aqua E2303 via Settings menu. Hard reset also called Factory reset or Master reset. We are not allowed perform a HARD RESET for Sony Xperia M4 Aqua Learn how to factory reset Sony Xperia M4 Aqua. A factory reset, also known as hard reset, is the restoration of a device to its original manufacturer settings. This action deletes all the settings, applications and personal data from your device and make it 100% clean. eASbxqm.