He has no settings he needs to keep though.yes but that is clean flash not upgrade if upgrading via 5.9, 6.0, 6.1, 6.2 all the way to 6.4 you can stil keep settings only when changing to 7.0 i,e, python 3.xx and upwards setting do not get taken over.
Clean usb flash setup tuner then run autobouquets
Thats is all he wants if im reading this correctly