Here is a tutorial how to setup wireless on Vu+ decoder under a OpenESI 7.0 image.
For this tutorial you need.
Vu + ZERO, UNO, DUO, DUO 2, ULTIMO, SOLO, SOLO 2, SOLO SE, zero 4K, Uno 4k, solo 4k, Ultimo 4k
First connect Wireless USB to your VuPLUS
Menu – Setup
Select WLAN Connection
Select Scan Wireless networks
Select your Wireless network and press GREEN BUTTON to configure
Now, configure your wireless network, choose the type of encryption and enter the key
When you finish press OK or GREEN KEY
Select YES to confirm
After the network module will restart this action will take 30-60 seconds.
Congratulation your receiver is connecting now to your wireless (your IP address is : 192.168.1.200)
You can also watch this video to help you