Etisalat Smart pack is blazing in the New Simple Serverv3.7.0. I have tested and confirmed it and have no doubt that it will work for you If you follow this tutorial
First, download Simple Server v3.7.0
install it 

Phone Settings
create a new Apn(AccessPoint) and configure it as
APN: web.gprs.mtnnigeria.net
Proxy: 127.0.0.1
Port: 8080

Simple Android Server Settings
Open your Simple Server and click on Connection Settings

Configure Proxy Host as 94.23.200.49


Input Proxy Port as 3128

The proxy Host and proxy port will be updated regularly at our proxy page

Tick Enable Header Tweaking



Click Choose Tweak Type as Select Host Replacement

Click Injection host
Type mobile.facebook.com

Save it 
Note:
Chat pack or social pack users can use mobile.facebook.com or 0.facebook.com or www.facebook.com
Social pack users only can use instagram.com or mobile.twitter.com or www.twitter.com as the Injection Host

Click back
Select Local Server Settings

Click Log Level and Select Debug


Start your Simple server and start browsing and downloading till it expires because it unlimited.