Gotten from http://bazehub.com.ng/2017/04/jamb-2017-mock-exam-holds-on-29th-april-reprint-your-e-slip-now/

The Joint Admission Matriculation Board [JAMB] has began dispatching the new exam center, date and time for the 2017 UTME Mock Test scheduled to now hold on April 29th, 2017. Messages are now being sent via SMS and Mail.
Many students who received text from JAMB, Confirmed this information, although they were told to simply check their JAMB Profile or Mail to view or download their Mock Test Schedule.
Some Myschoolers have also confirmed this information, stating that the 2017 UTME Mock Exam will hold on 29th April.
You are hereby requested to reprint your Mock Exam Slip (e-Slip) to confirm your exam centre, date and time.

Steps to Print the New 2017 UTME Mock e-Slip!
You can check that from http://bazehub.com.ng/2017/04/jamb-2017-mock-exam-holds-on-29th-april-reprint-your-e-slip-now/

Máke I tell my boy

But I have not received their mail with my JAMB slip
What should I do

Goldeno:
But I have not received their mail with my JAMB slip

What should I do

May be you should visit your registration center to check maybe the reprint is ready