Samsung has unveiled a foldable smartphone – the Galaxy Fold – alongside a 5G Galaxy S10 handset and three other Galaxy S10 mobiles.
The Fold will go on sale in just over two months time, earlier than many expected.
The Galaxy S10 5G features the firm’s biggest-ever non-folding phone display and promises faster data speeds when networks become available.
The S10 line-up also includes the introduction of a lower-cost model.
Samsung had previously acknowledged that the cost of its S9 range had contributed to “lower-than-expected sales”.
Samsung said the Galaxy Fold would open up to create a 7.3in (18.5cm) tablet-like display and would be able to run up to three apps at once.
A demo showed off “app continuity” features by which the device transferred from one mode to another much more smoothly than had been the case with an earlier foldable phone – Royole’s FlexPai.
One example involved a Google Maps screen appearing on the Fold’s smaller front display and then expanding to a larger view when the handset was opened following a one-second pause.
Samsung added that Whatsapp, Facebook, YouTube and Microsoft Office would also be optimised to suit the new form-factor.
It said that it had designed a new type of hidden hinge system that would withstand hundreds of thousands of folds and unfolds, and contained a battery on each side to extend its runtime.
In addition, the South Korean firm said the phone contained six cameras – three on the back, two on the inside and one on the front – to ensure it could take photos however it is held.
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