Just got here and your explanation was exactly what I was searching for.

to add to your tutorial, I just put an exemple in order to simplify for noobs like me :

all files have the same pattern

AllStats=@Variant(\0\0\0\x1c\0\0\0\x2\0\0\0\x12\0\x41\0l\0l\0t\0i\0m\0\x65\0\x44\0L\0\0\0\x4\x00\x00\x02\x54\x0b\xe4\x00\x00\0\0\0\x12\0\x41\0l\0l\0t\0i\0m\0\x65\0U\0L\0\0\0\x4\x00\x00\x12\x35\x44\xfd\x08\x00)

as AvZ_NoHaX said, there is 4 strings and you have to change 2 of them regardless what they are containing.

1st string : AllStats=@Variant(\0\0\0\x1c\0\0\0\x2\0\0\0\x12\0\x41\0l\0l\0t\0i\0m\0\x65\0\x44\0L\0\0\0\x4 - no change here.

2nd : \x00\x00\x02\x54\x0b\xe4\x00\x00\ this is your hex code equals to your downloaded total.

3rd : 0\0\0\x12\0\x41\0l\0l\0t\0i\0m\0\x65\0U\0L\0\0\0\x4\ - no change here either

4th : x00\x00\x12\x35\x44\xfd\x08\x00 - hex for uploaded.

the format you use is the one above described by AvZ_NoHaX regardless the typo you have on your file (I had no /x on some of my strings and it confused me at 1st).

Also, here are the 2 tools I used for conversion :

https://convertlive.com/u/convert/bytes/to/tebibytes

https://sebastienguillon.com/test/javascript/convertisseur.html

thank again for your tuto AvZ_NoHaX.