En XDA he visto una posible solución a las notificaciones. Si alguno con el móvil rooteado la prueba que diga resultados.
There a way to fix the problem with watsap: rename the file extensions
/system/priv-app/HwPowerGenieEngine3.apk and
.odex to
.ap1 and
.ode1.
This application closes other applications while screen is locked.
It slightly increased battery consumption at night.
http://forum.xda-developers.com/show...71&postcount=3