Below APN settings should be manually configured in your Android device to access internet or MMS with MTN in Nigeria.
Go to Settings
Click More Network or Mobile Network
Click Access Point Name
Click MTN GPRS or MTN WEB
Remove the Proxy IP address: 10.199.212.2
Remove the Port setting: 8080
Then save and browse again.
Account Name: MTN WAP
IP address (Proxy): 10.199.212.2
Access point name (APN): web.gprs.mtnnigeria.net
To check that you have the right Proxy settings on your Smartphones, kindly follow the steps below