I think the best option will be try and check, if you rename your stock Settings.apk to Settings.apk.bak and pase a new and that not work.. you make easy move back to stock settings.
Its make dont work with "hard modded" roms
(i tested this with my D3 rom link below, and with stock motorola 906)
Its make dont work with "hard modded" roms
(i tested this with my D3 rom link below, and with stock motorola 906)