Samsung Galaxy S4 Duos Review – One of the Best Dual-SIM ...

1 Nov 2013 ... For starters, Samsung Galaxy S4 dual-SIM, codenamed I9502, does not come ... But that's only for the outside, as the former features two SIM card slots on ... First of all, the smartphone is still stuck on Android 4.2.2 Jelly Bean&nbs

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