How to activate the SIM card in Samsung Z3(SM-Z300H)?
CLICK HERE to know how to switch between SIM cards easily in Samsung Z3 (SM-Z300H).
a). Drag the Screen upwards to access Apps screen.
b). Tap on Settings icon.
c). Select and tap on SIM card manager.
d). Tap on the SIM you want to activate. In this case, for example, SIM 1.
e). Tap on the Switch to activate it.
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