well that sign comes up if it Has rebooted several times. try the following first : power off your phone open cmd.exe as admin on your PC cd c:\program files\Nokia\flasher flasher --set-rd-flags=no-lifeguard-reset --enable-rd-mode now boot up your phone, change back the clock colour using n9qtweak and disable rd mode by doing: flasher --disable-rd-mode even if this doesn't work post here i have a few weapons to beat this instead of simply re-flashing ...