Pressand hold Volume Down and then press Power button once. Btw, keep holding Volume Down until you reach HBoot screen which has 3 little Android at the bottom. It's also called 3 Android screen. Using the volume keys to navigate, move to FACTORY RESET (or CLEAR STORAGE) option, and select it using the Power button.
Ifyour SONY Xperia M C1905 is locked, then the first thing that you need to find out is the locking reason. We would like to present the types of blockages that your SONY Xperia M C1905 may have. screen lock blockade - locked by password, pattern or face lock.
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