Too early for digital?

Caitlin • 👧🏻 January 2019, 👼🏻 March 2020, 👦🏻 February 2021

I got this vvvvvfl yesterday and then today got a bfn on a first response digital that is supposed to detect hcg 6 days before your missed period (I’m 4 days away). Could this frer be a false positive? Or is it just too early for digital despite what the box says?

#whereareallthepinkdyetests😭