This post has a trick that tells you how to activate or subscribe Zong Perfect Package which is a daily bundle package having:

1) Unlimited on-net calls (Zong to Zong) except 7pm to 10pm.
2) 500 SMS.
3) 100 MMS.
4) 1 hour internet.
So this package is good to fulfil maximum needs of users.

How to Activate or DeActivate

Procedure to Activate:

Dial *717#
or
Write “Sub” and send to 7171

Then you will receive confirmation message and your package will be activated.

Procedure to DeActivate:

Write “Unsub” and send to 7171

Then you will receive confirmation message and your package will be deactivated.

Give comments if you enjoyed the trick.