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Huawei's latest phones use proprietary storage cards for some reason
Huawei's Mate 20 phones bring some clever new features to the table, but there's one that you might not be so thrilled about: a proprietary storage format. The new handsets are the first to take NM Card, a Huawei-made design that offers the capacity and performance of microSD in a card the size of a Nano SIM. On the Mate 20 line, this promises flexibility. You can use one of the phone's two SIM slots as extra storage without the need for a dedicated microSD slot or an extra-long tray. Sounds great, right?
