Facebook Flex is the unique feature that allows ZONG users to stay connected with Facebook even with zero balance.
Flex feature allows users to switch between DATA mode and FREE mode of Facebook.
Zong users can enjoy Facebook even without balance by switching to the FREE mode, in which they will be able to post statuses, likes, comments, chat, check-ins, send friend requests.
In order to view rich content such as videos, HD photos and external links, customers can switch to DATA mode and they will be charged as per their data plan.
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Facebook Balance Check
Check Zong Free 3G / 4G Package for Facebook Zong remaining minutes, SMS and Mbs for mobile internet package then you simply need following to check balance:
• Dial *102#
• Dial *102*1# for summary which shows you all details about free resources remaining.
• To check SMS Dial *102*2#
• To check Minutes Dial *102*3#
• To Check Remain Data volume Dial *102*4#