Joh_20:17 Jesus saith unto her, Touch me not; for I am not yet ascended to my Father: but go to my brethren, and say unto them, I ascend unto my Father, and your Father; and to my God, and your God.
Heb 9:12 Neither by the blood of goats and calves, but by his own blood he entered in once into the holy place, having obtained eternal redemption for us.
Where did Jesus go that later his followers were allowed to touch him?
The Book doesn’t say.
Anything we come up with will be speculation; based on FACTS; no doubt; but still speculation.