received a zero
or
no credit limit ?
here could be why

do you have any credit accounts that may be overdue or in arrears ?

are the details you supplied correct & verifiable ?

do you use multiple phone numbers to make transactions through m-pesa ?

is the number you have used to register your prime transaction m-pesa number ? 🤔

have you maintained a good borrowing & repayment track record in the last 24 months?

did you carefully follow the instructions on how to submit your m-pesa statement 🤔