Master reset - but don't know how to get Services menu

Been told that this is the procedure for hidden service menus:

The P800 has a 'hidden' service menu that allows you to access serial
numbers and format the Internal drive. This can be accessed by closing
the flip, then following this sequence:
Jog-Dial up
*
Jog-Dial down
Jog-Dial down
*
Jog-Dial down
*

I have the flip closed but when I turn the jog-dial up, it shows
"Contacts" above the OK button and the little circle menu chooser then
goes to Applications. I don't know how to even get the jog-dial to do
its thing. Ideas anyone? Settings need changing anywhere before I can do
this?

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©® wrote:
Does Jog-dial up/down mean:
1) Pulling the wheel forward and pushing it back (i.e. sort of coming
out of the screen to me direction) or...
2) Rotating it as if it were a spinning-top (up and down along the
length of the unit direction)?

©® wrote:
> Does Jog-dial up/down mean:
> 1) Pulling the wheel forward and pushing it back (i.e. sort of coming
> out of the screen to me direction) or...
> 2) Rotating it as if it were a spinning-top (up and down along the
> length of the unit direction)?

Found out that you turn the wheel one click (#2 method).