If the patch "succeeded" with N1 and N2 but you still cannot get free purchases, it is usually due to one of these reasons:
Lucky Patcher Patch Pattern N3 and N4 Failed - Help! lucky patcher patch pattern n3 and n4 failed
Lucky Patcher reports that Patch Pattern N3 and N4 failed , it typically means that If the patch "succeeded" with N1 and N2