How to update MDP-XP Digital Power Supply Set

MDP-XP Digital Power Supply Set: 

http://www.miniware.com.cn/product/mdp-xp-digital-power-supply-set/
Update Link: http://www.minidso.com/forum.php?mod=viewthread&tid=3685&extra=page%3D1

MDP-M01: 

Press and hold A key, 

connect the mdp-m01 with the computer with the micro USB data cable, 

and enter the DFU state.

MDP-P905:

Press and hold set key, 

use the USB type-C cable to connect the mdp-p905 with the computer, 

and short press the menu key or run lock key to enter the DFU status.