The nano-Sim is thinner and about a third smaller than the micro-Sim, and would allow more space for other functions.

Nano - SIM卡要更薄，尺寸也比micro - SIM卡小了三分之一左右，这样就能为智能移动设备省出空间来实现其他功能。

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Peeling off the thin, snap-on battery cover reveals a micro-SIM slot and a 1, 750mAh battery to keep the handset juiced.

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Some 40% smaller than the relatively new Micro-SIM standard, there has been a lot of debate around this new form factor.

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Pop the white plastic back cover and you'll find micro-SIM and microSD card slots, a non-removable 1810mAh battery and the NFC antenna.

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