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Telstra has been putting phones through their paces at a secret lab in Western Sydney since 1993.

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The lab was founded alongside the launch of Australia's first digital mobile network (2G).

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Every device that passes through the labs is subjected to a battery of 8,713 tests.

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An anechoic chamber is used for Telstra's Blue Tick certification.

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It's based on testing the receive and transmit strength of any given phone.

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Foam triangles can look terrifying.

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Blue Tick certification means a phone will work better in rural areas than competing devices.

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Stalactites grow on the ceiling. Stalagmites are on the floor.

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I didn't ask about the hand.

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There's a "dead room" that filters out all external radio noise for speed tests.

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Tests use model networks, the live network and also things like drive testing and testing for Telstra apps and video streaming.

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The end result of the Blue Tick testing for the Galaxy S8.

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Using software, Telstra can simulate network traffic.

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The Galaxy S8 got hooked up to a network speed test.

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It's pretty fast, I guess.

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