It’s Great to Upgrade to Zong 4G!
Zong offers to replace your old SIM, dial *44# and enjoy 4000 MB Internet and 400 Zong to Zong Minutes for a whole week, absolutely free. If you are still stuck with a non-4G SIM then visit any Zong outlet to upgrade to 4G SIM and enjoy not only Pakistan’s No 1 Data Network, but […]
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