Hi, you're saying they now, do you have more than one? That will make it harder to tame them because they will prefer each other.
I have a Mynah, who was not tame. I started by spending time by the cage. Mynahs need to eat quite a lot of protein for a bird so I used live mealworms as a treat to bond with her. At first I dropped them into a food bowl by me, then fed through the bars then put my whole hand in the cage so she had to stand on me to get the worms.
Mine can't be picked up, but she will fly to me and my husband when she's out and hop all over us and spend time playing whenever she wants to. We're not interested in having her any tamer because she's our little wild thing, but it is definitely possible to teach them to step up etc.
Love to see some photos!