Today, Xclusivetek bring to you unlimited free browsing/surfing with your 0.0k MTN SIM using an application called VPN over DNS on android devices.
So proceed below with the requirements and the full procedure:

How To Browse Unlimitedly On MTN Using VPN over DNS Android App

REQUIREMENTS

– Android phone (Rooted)

– VPN over DNS android app

– Autoproxy Lite android app

– MTN sim with 0.0k.

Those are the requirements listed above, so let's proceed to the steps below:

PROCEDURES

Phone Settings:

APN name: XCLUSIVETEK.COM

APN: web.gprs.mtnnigeria.net

IP: 127.0.0.1

Port: 8080 or 8181

Save the settings and use as Default.

AUTOPROXY SETTINGS

Connect with any of these IP below:
127.0.0.1 :8080 or
127.0.0.1 :8181

VPN Over DNS SETTINGS 
Open your SLOW DNS and
set as follow:

1. Disregard first and second box, move to third box and select any free server of your choice.

2. On the fourth box you will see something like this <> delete it and input this IP 10.109.5.97

3. Tick on “Keep changing source
port” 

4. Again tick on “Binary Query” and connect.

5. After that wait for proper authentication and client configuration, Once it connects
you are good to go. (Make sure your Autoproxy is already connected).

NOTE: Remember not to use this package for downloading while using the free server.
But if you want to download unlimitedly then you will have to upgrade to a premium account.

Enjoy...