Originally Posted by ajaredic View Post
Is there a double tap to unlock the screen mod available?

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No, It needs kernel development and no custom kernel I know of on xperia devices has ever implemented it
DooMLoRD has talked about it, but has not done it yet,

How to get root on Xperia Z1 with KitKat 4.4.2, 4.4.3 & 4.4.4

If you are unsure, then read this.
If you are still unsure, watch this.

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