Hi All I have F8331 Xperia XZ on latest build 39.2.A.0.374 (Android 7.0). I've had two updates since I purchased it in early Dec but since day 1 ... double tap to wake randomly works. No difference when started up in Safe Mode, no difference with or without screen protector. I've done all the checks but refuse to run a SW repair as recommended by Sony as its clear with the many posts online that its a SW defect that needs a correction and not a re-install of the SW. Anyone else have any luck getting answers from Sony on this. I'll give it one more week and then its onto Consumer Affairs, a refund and Google Pixel.
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