The Samsung Galaxy A9 Pro (2018) will be released as the Galaxy A9s - PhoneArena

The upcoming Samsung Galaxy A9 Pro (2018) will actually be released as the Samsung Galaxy A9s. The smartphone is expected to go official on October 11 alongside the mid-range Galaxy A6s.

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Quadruple-camera Galaxy A9 (2018) leaks out entirely through Samsung's website - PhoneArena

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Samsung Galaxy A9 (2018): the world's first quad-camera phone is official! - PhoneArena

Samsung Galaxy A9 (2018) Review - PhoneArena

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Samsung Galaxy A9 Pro specs leak: 4GB RAM, 6-inch display and Android Marshmallow - PhoneArena

The HTC One A9s is not an upgrade, it's just cheaper than the One A9