It is different for WLAN Setting for mb sd c4 or C5 and New DOIP C4 OR C5 Plus. Here we share as follow. For Old C4/C5 Firstly Set IP for LAN, local Area Connection Secondly Set wireless IP After finish, Connect MB SD C4/C5 device to PC, open C4/C5 Administrator, do settings as follow. Open Road24h Ad-Hoc C...