Thx for the answers . powertop pasted http://paste.org/pastebin/view/21570 After this, and while I am preparing to flash the device, I've uninstalled the next apps: - qtirreco (I didn't need it, not related but just in case, I note it) - Wifi Switcher And I still have (that I will uninstall if the situation does not improve) - Queen BeeCon Widget - Personal IP address - ConnectNow internet connection switch . After this, powertop again, pasted http://paste.org/pastebin/view/21571