If you’ve bought an iPad with 4G/cellular capabilities (we discuss whether that’s a good idea in our 2015 iPad buying guide) or a new iPhone, you need to buy and install a SIM card. Here, we explain ...
Dual SIM Dual Active or DSDA used to be a trendy feature in the phase when we were transitioning from feature phones to smartphones. It was particularly a big deal for dual SIM feature phones in the ...
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