Tenda MX15 Pro User Manual page 169

Set up a dynamic IP address connection
Configuration procedure:
Run the Tenda WiFi App, and choose Settings > Internet Settings.
Step 1
Tap Internet Connection Type.
Step 2
Select Dynamic IP and tap Next.
Step 3
Tap Save.
Step 4
---End
Now you can access the internet.
See MTU
159
Document version: V1.0
for detailed settings.