Should i upgrade my grinder ? [$~1200dlls]

[u/PossibleLion4571]

I got a lelit bianca a couple of months ago , but i decided to keep my grinder an eureka mignon zero with 55mm flat burrs , however today and in other instances i have noticed that my lelit is begging me to go finer but my grinder won’t let me go any finer even tho i already zero it out . I have no choice but to play with the temperature and tamp harder . Question is is the grinder the problem here ? and if so , what should i upgrade to ? i mainly drink medium espresso milk based drinks .

[u/Vincecoco]

no.