Staff Report ISB: Zong, leading network operator of country has planned to upgrade SIMs of entire existing customer base. The new SIMs will be 4G compatible. The customers can replace their old SIMs with upgraded ones by visiting nearest Zong customer service centers.

The new 4G SIMs are Universal SIMs, which are different in terms of technology from currently available existing SIMs, with enhanced security features that protect any security leakages, particularly the ones that surfaced after Gemalto hack incident, Zong claims.

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