Hi all. please help how to make Fast Reboot on Nokia 8. is this even possible? bought my wife a gift after 5 days using son set pattern. through the combinations (+ and enabling does not work) is it even possible to fix? maybe under warranty or the device will have to be thrown away? wanted to buy the same , I liked it. but now scared to take.what to do?(((. and does the phone effect the tank? help , help.