The hard reset for the Sony Xperia M4 Aqua is the same as the reset of the Sony Xperia M4 Aqua dual mobile phone. These mobile phones have two options when it comes to doing a hard rest back to the factory settings. The instructions are pretty much the same for both. Also remember to backup your data before you do a reset. Hard reset of Sony Xperia M4 Aqua - Sony On entering the topic-title line a list of similar topics popped up. I read these but they did not help with my problem. I need the hard reset to fix Browse Community Share your experience! TV & Home Cinema Android TV Other TVs Home Cinema The Lounge Room How Tos & FAQs Discover Sony Cameras TJ4C.